Merge branch 'master' into favorites_widget

dependencies.gradle

@@ -2,7 +2,7 @@
 
 dependencies {
     api('com.github.GTNewHorizons:CodeChickenCore:1.4.1:dev')
-    implementation('com.github.GTNewHorizons:GTNHLib:0.6.16:dev')
+    implementation('com.github.GTNewHorizons:GTNHLib:0.6.18:dev')
 
     shadowImplementation('org.apache.commons:commons-csv:1.10.0')
 

gradle.properties

@@ -14,7 +14,7 @@ modId = NotEnoughItems
 modGroup = codechicken.nei
 
 # Whether to use modGroup as the maven publishing group.
-# Due to a history of using JitPack, the default is com.github.GTNewHorizons for all mods.
+# When false, com.github.GTNewHorizons is used.
 useModGroupForPublishing = false
 
 # Updates your build.gradle and settings.gradle automatically whenever an update is available.

settings.gradle

@@ -17,7 +17,7 @@ pluginManagement {
 }
 
 plugins {
-    id 'com.gtnewhorizons.gtnhsettingsconvention' version '1.0.37'
+    id 'com.gtnewhorizons.gtnhsettingsconvention' version '1.0.38'
 }
 
 

src/main/java/codechicken/nei/BookmarkCraftingChain.java

@@ -1,319 +0,0 @@
-package codechicken.nei;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-
-import net.minecraft.item.ItemStack;
-import net.minecraftforge.fluids.FluidStack;
-
-import codechicken.nei.BookmarkPanel.ItemStackMetadata;
-import codechicken.nei.recipe.BookmarkRecipeId;
-import codechicken.nei.recipe.StackInfo;
-
-public class BookmarkCraftingChain {
-
-    public HashMap<ItemStack, ItemStack> calculatedItems = new HashMap<>();
-    public HashMap<ItemStack, Integer> multiplier = new HashMap<>();
-
-    public HashMap<ItemStack, ItemStack> inputs = new HashMap<>();
-    public HashMap<ItemStack, ItemStack> outputs = new HashMap<>();
-    public HashMap<ItemStack, ItemStack> remainder = new HashMap<>();
-    public HashMap<ItemStack, ItemStack> intermediate = new HashMap<>();
-
-    protected static class CraftingChainItem {
-
-        public String guid;
-        public int stackIndex = 0;
-        public int recipeIndex = 0;
-        public int factor = 0;
-        public int count = 0;
-        public boolean ingredient = false;
-        public int fluidCellAmount = 1;
-        public ItemStack stack = null;
-
-        public CraftingChainItem(ItemStack stack, ItemStackMetadata stackMetadata) {
-            FluidStack fluid = StackInfo.getFluid(stack);
-            this.recipeIndex = getRecipeIndex(stackMetadata.recipeId);
-            this.ingredient = stackMetadata.ingredient;
-            this.stack = stack;
-
-            if (fluid != null) {
-                this.stackIndex = getStackIndex(fluid);
-                this.count = fluid.amount * Math.max(0, stack.stackSize);
-                this.fluidCellAmount = StackInfo.isFluidContainer(stack) ? fluid.amount : 1;
-                this.factor = this.fluidCellAmount * stackMetadata.factor;
-            } else {
-                this.stackIndex = getStackIndex(stack);
-                this.count = StackInfo.itemStackToNBT(stack).getInteger("Count");
-                this.factor = stackMetadata.factor;
-            }
-
-            this.guid = this.stackIndex + " " + this.recipeIndex;
-        }
-
-        public ItemStack getItemStack(long count) {
-            return StackInfo.loadFromNBT(
-                    StackInfo.itemStackToNBT(this.stack),
-                    this.factor > 0 ? (count / this.fluidCellAmount) : 0);
-        }
-
-        public static void clearStatic() {
-            itemCache.clear();
-            fluidCache.clear();
-            recipeCache.clear();
-        }
-
-        private static HashMap<ItemStack, Integer> itemCache = new HashMap<>();
-
-        private static int getStackIndex(ItemStack stackA) {
-
-            if (!itemCache.containsKey(stackA)) {
-
-                for (ItemStack item : itemCache.keySet()) {
-                    if (StackInfo.equalItemAndNBT(stackA, item, true)) {
-                        itemCache.put(stackA, itemCache.get(item));
-                        return itemCache.get(stackA);
-                    }
-                }
-
-                itemCache.put(stackA, itemCache.size() + fluidCache.size());
-            }
-
-            return itemCache.get(stackA);
-        }
-
-        private static HashMap<FluidStack, Integer> fluidCache = new HashMap<>();
-
-        private static int getStackIndex(FluidStack fluidA) {
-
-            if (!fluidCache.containsKey(fluidA)) {
-                for (FluidStack item : fluidCache.keySet()) {
-                    if (fluidA.isFluidEqual(item)) {
-                        fluidCache.put(fluidA, fluidCache.get(item));
-                        return fluidCache.get(fluidA);
-                    }
-                }
-
-                fluidCache.put(fluidA, itemCache.size() + fluidCache.size());
-            }
-
-            return fluidCache.get(fluidA);
-        }
-
-        private static HashMap<BookmarkRecipeId, Integer> recipeCache = new HashMap<>();
-
-        private static int getRecipeIndex(BookmarkRecipeId recipe) {
-
-            if (recipe == null) {
-                return -1;
-            }
-
-            if (!recipeCache.containsKey(recipe)) {
-                for (BookmarkRecipeId item : recipeCache.keySet()) {
-                    if (item.equals(recipe)) {
-                        recipeCache.put(recipe, recipeCache.get(item));
-                        return recipeCache.get(recipe);
-                    }
-                }
-
-                recipeCache.put(recipe, recipeCache.size());
-            }
-
-            return recipeCache.get(recipe);
-        }
-
-    }
-
-    protected static class CraftingChainRequest {
-
-        public List<CraftingChainItem> items = new ArrayList<>();
-
-        public HashMap<Integer, Integer> multiplier = new HashMap<>();
-        public HashMap<String, Long> counts = new HashMap<>();
-
-        public HashMap<Integer, HashSet<CraftingChainItem>> inputs = new HashMap<>();
-        public HashMap<Integer, HashSet<CraftingChainItem>> outputs = new HashMap<>();
-
-        public HashSet<Integer> initialItems = new HashSet<>();
-        public HashSet<Integer> startedIngrs = new HashSet<>();
-
-        public CraftingChainRequest(List<ItemStack> items, List<ItemStackMetadata> metadata) {
-            HashSet<Integer> inputs = new HashSet<>();
-            HashSet<Integer> outputs = new HashSet<>();
-
-            for (int index = 0; index < items.size(); index++) {
-                CraftingChainItem item = new CraftingChainItem(items.get(index), metadata.get(index));
-                item.guid = item.ingredient ? "i" + item.guid : "r" + item.guid;
-                this.items.add(item);
-
-                if (this.multiplier.get(item.recipeIndex) == null) {
-                    this.multiplier.put(item.recipeIndex, 0);
-                }
-
-                this.counts.put(item.guid, this.counts.getOrDefault(item.guid, 0L) + item.count);
-
-                if (item.ingredient) {
-                    inputs.add(item.recipeIndex);
-
-                    if (this.inputs.get(item.stackIndex) == null) {
-                        this.inputs.put(item.stackIndex, new HashSet<>());
-                    }
-
-                    this.inputs.get(item.stackIndex).add(item);
-                } else {
-                    outputs.add(item.recipeIndex);
-
-                    if (this.outputs.get(item.stackIndex) == null) {
-                        this.outputs.put(item.stackIndex, new HashSet<>());
-                    }
-
-                    this.outputs.get(item.stackIndex).add(item);
-                }
-
-            }
-
-            for (int recipeIndex : this.multiplier.keySet()) {
-                if (recipeIndex == -1 || !inputs.contains(recipeIndex) || !outputs.contains(recipeIndex)) {
-                    this.initialItems.add(recipeIndex);
-                }
-            }
-
-            for (CraftingChainItem item : this.items) {
-                if (item.ingredient == false && !this.initialItems.contains(item.recipeIndex)) {
-                    this.startedIngrs.add(item.stackIndex);
-                }
-            }
-
-            CraftingChainItem.clearStatic();
-        }
-
-    }
-
-    public void refresh(List<ItemStack> items, List<ItemStackMetadata> metadata) {
-        CraftingChainRequest request = new CraftingChainRequest(items, metadata);
-        HashMap<Integer, Long> iShift = new HashMap<>();
-        HashMap<Integer, Long> oShift = new HashMap<>();
-        boolean change = true;
-        int iteration = 100;
-
-        while (--iteration > 0 && change) {
-            change = false;
-            for (int stackIndex : request.startedIngrs) {
-                change = calculateShift(request, stackIndex) || change;
-            }
-        }
-
-        this.inputs.clear();
-        this.outputs.clear();
-        this.remainder.clear();
-        this.intermediate.clear();
-        this.calculatedItems.clear();
-        this.multiplier.clear();
-
-        for (CraftingChainItem item : request.items) {
-            if (request.initialItems.contains(item.recipeIndex)) {
-                long iCount = calculateCount(request, request.inputs.get(item.stackIndex))
-                        - iShift.getOrDefault(item.stackIndex, 0L);
-                this.calculatedItems.put(item.stack, item.stack);
-
-                if (iCount == 0) {
-                    this.inputs.put(item.stack, item.getItemStack(0));
-                } else {
-                    long count = Math.min(iCount, item.count);
-                    this.inputs.put(item.stack, item.getItemStack(count));
-                    iShift.put(item.stackIndex, iShift.getOrDefault(item.stackIndex, 0L) + count);
-                }
-
-            }
-        }
-
-        for (CraftingChainItem item : request.items) {
-            if (!request.initialItems.contains(item.recipeIndex)) {
-                long count = item.count + item.factor * request.multiplier.get(item.recipeIndex);
-                this.calculatedItems.put(item.stack, item.getItemStack(count));
-
-                if (item.ingredient) { // input
-                    long oCount = calculateCount(request, request.outputs.get(item.stackIndex))
-                            - oShift.getOrDefault(item.stackIndex, 0L);
-
-                    if (oCount < count) {
-                        this.inputs.put(item.stack, item.getItemStack(count - oCount));
-                        oShift.put(item.stackIndex, oShift.getOrDefault(item.stackIndex, 0L) + oCount);
-                    } else if (oCount >= count) {
-                        this.intermediate.put(item.stack, item.getItemStack(0));
-                        oShift.put(item.stackIndex, oShift.getOrDefault(item.stackIndex, 0L) + count);
-                    }
-
-                } else { // output
-                    long iCalcCount = calculateCount(request, request.inputs.get(item.stackIndex));
-                    long iCount = iCalcCount - iShift.getOrDefault(item.stackIndex, 0L);
-                    this.multiplier.put(item.stack, item.factor > 0 ? (int) (count / item.factor) : 0);
-
-                    if (iCount >= count) {
-                        this.intermediate.put(item.stack, item.getItemStack(0));
-                        iShift.put(item.stackIndex, iShift.getOrDefault(item.stackIndex, 0L) + count);
-                    } else if (iCalcCount > 0) {
-                        this.remainder.put(item.stack, item.getItemStack(count - iCount));
-                        iShift.put(item.stackIndex, iShift.getOrDefault(item.stackIndex, 0L) + iCount);
-                    } else {
-                        this.outputs.put(item.stack, item.getItemStack(count - iCount));
-                        iShift.put(item.stackIndex, iShift.getOrDefault(item.stackIndex, 0L) + iCount);
-                    }
-                }
-
-            }
-        }
-
-    }
-
-    private boolean calculateShift(CraftingChainRequest request, int stackIndex) {
-
-        if (!request.outputs.containsKey(stackIndex)) {
-            return false;
-        }
-
-        int minRecipeIndex = 0;
-        int minShift = Integer.MAX_VALUE;
-
-        for (CraftingChainItem item : request.outputs.get(stackIndex)) {
-            if (!request.initialItems.contains(item.recipeIndex) && item.factor > 0) {
-                long ingrCount = calculateCount(request, request.inputs.get(item.stackIndex), item.recipeIndex);
-                long outputCount = calculateCount(request, request.outputs.get(item.stackIndex));
-                long shift = (long) Math.ceil((ingrCount - outputCount) / (double) item.factor);
-
-                if (shift > 0 && shift < minShift) {
-                    minShift = (int) shift;
-                    minRecipeIndex = item.recipeIndex;
-                }
-            }
-        }
-
-        if (minShift < Integer.MAX_VALUE) {
-            request.multiplier.put(minRecipeIndex, request.multiplier.get(minRecipeIndex) + minShift);
-            return true;
-        }
-
-        return false;
-    }
-
-    private long calculateCount(CraftingChainRequest request, HashSet<CraftingChainItem> items) {
-        return calculateCount(request, items, -1);
-    }
-
-    private long calculateCount(CraftingChainRequest request, HashSet<CraftingChainItem> items, int recipeIndex) {
-        long count = 0L;
-
-        if (items != null) {
-            for (CraftingChainItem item : items) {
-                if (item.recipeIndex != recipeIndex || recipeIndex == -1) {
-                    count += request.counts.get(item.guid) + item.factor * request.multiplier.get(item.recipeIndex);
-                }
-            }
-        }
-
-        return count;
-    }
-
-}

src/main/java/codechicken/nei/CollapsibleItems.java

@@ -150,10 +150,16 @@ public class CollapsibleItems {
     }
 
     public static void putItem(ItemStack stack) {
-        final GroupItem group = CollapsibleItems.groups.stream().filter(g -> g.matches(stack)).findFirst().orElse(null);
+        int groupIndex = -1;
 
-        if (group != null) {
-            CollapsibleItems.cache.put(stack, CollapsibleItems.groups.indexOf(group));
+        for (int i = 0; i < CollapsibleItems.groups.size() && groupIndex == -1; i++) {
+            if (CollapsibleItems.groups.get(i).matches(stack)) {
+                groupIndex = i;
+            }
+        }
+
+        if (groupIndex != -1) {
+            CollapsibleItems.cache.put(stack, groupIndex);
         }
     }
 

src/main/java/codechicken/nei/FavoriteRecipes.java

@@ -0,0 +1,228 @@
+package codechicken.nei;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraftforge.fluids.FluidRegistry;
+import net.minecraftforge.fluids.FluidStack;
+
+import org.apache.commons.io.IOUtils;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import com.google.gson.JsonSyntaxException;
+
+import codechicken.core.CommonUtils;
+import codechicken.nei.api.API;
+import codechicken.nei.recipe.Recipe.RecipeId;
+import codechicken.nei.recipe.StackInfo;
+import codechicken.nei.util.NBTJson;
+
+public class FavoriteRecipes {
+
+    private static final Map<NBTTagCompound, RecipeId> items = new HashMap<>();
+    private static final Map<String, RecipeId> fluids = new HashMap<>();
+    private static File favoriteFile;
+
+    static {
+        API.addSubset("Favorites", FavoriteRecipes::contains);
+    }
+
+    private FavoriteRecipes() {}
+
+    public static void load() {
+        String worldPath = "global";
+
+        if (NEIClientConfig.getBooleanSetting("inventory.favorites.worldSpecific")) {
+            worldPath = NEIClientConfig.getWorldPath();
+        }
+
+        final File dir = new File(CommonUtils.getMinecraftDir(), "saves/NEI/" + worldPath);
+
+        if (!dir.exists()) {
+            dir.mkdirs();
+        }
+
+        favoriteFile = new File(dir, "favorites.ini");
+
+        if (!favoriteFile.exists()) {
+            final File globalFavorites = new File(CommonUtils.getMinecraftDir(), "saves/NEI/global/favorites.ini");
+            final File configFavorites = new File(NEIClientConfig.configDir, "favorites.ini");
+            final File defaultFavorites = configFavorites.exists() ? configFavorites : globalFavorites;
+
+            if (defaultFavorites.exists()) {
+
+                try {
+                    if (favoriteFile.createNewFile()) {
+                        InputStream src = new FileInputStream(defaultFavorites);
+                        OutputStream dst = new FileOutputStream(favoriteFile);
+
+                        IOUtils.copy(src, dst);
+
+                        src.close();
+                        dst.close();
+                    }
+                } catch (IOException e) {}
+            }
+        }
+
+        loadData();
+    }
+
+    private static void loadData() {
+
+        if (favoriteFile == null || !favoriteFile.exists()) {
+            return;
+        }
+
+        List<String> itemStrings;
+
+        try (FileInputStream reader = new FileInputStream(favoriteFile)) {
+            NEIClientConfig.logger.info("Loading favorites from file {}", favoriteFile);
+            itemStrings = IOUtils.readLines(reader, StandardCharsets.UTF_8);
+        } catch (IOException e) {
+            NEIClientConfig.logger.error("Failed to load favorites from file {}", favoriteFile, e);
+            return;
+        }
+
+        final JsonParser parser = new JsonParser();
+        items.clear();
+
+        for (String itemStr : itemStrings) {
+
+            if (itemStr.isEmpty() || itemStr.startsWith("#")) {
+                continue;
+            }
+
+            try {
+                JsonObject jsonObject = parser.parse(itemStr).getAsJsonObject();
+
+                if (jsonObject.get("item") != null && jsonObject.get("recipeId") != null) {
+                    final NBTTagCompound itemStackNBT = (NBTTagCompound) NBTJson.toNbt(jsonObject.get("item"));
+                    final RecipeId recipeId = RecipeId.of(jsonObject.getAsJsonObject("recipeId"));
+                    final ItemStack stack = StackInfo.loadFromNBT(itemStackNBT);
+
+                    if (stack != null) {
+                        final String fluidKey = getFluidKey(stack);
+
+                        if (fluidKey != null) {
+                            fluids.put(fluidKey, recipeId);
+                        }
+                    }
+
+                    items.put(itemStackNBT, recipeId);
+                }
+
+            } catch (IllegalArgumentException | JsonSyntaxException | IllegalStateException e) {
+                NEIClientConfig.logger.error("Failed to load favorite from json string:\n{}", itemStr);
+            }
+
+        }
+
+        SubsetWidget.updateHiddenItems();
+    }
+
+    public static RecipeId getFavorite(ItemStack stack) {
+
+        if (NEIClientConfig.favoritesEnabled() && stack != null) {
+            RecipeId recipeId = items.get(StackInfo.itemStackToNBT(stack, false));
+
+            if (recipeId == null) {
+                recipeId = fluids.get(getFluidKey(stack));
+            }
+
+            return recipeId;
+        }
+
+        return null;
+    }
+
+    public static ItemStack getFavorite(RecipeId recipeId) {
+        if (NEIClientConfig.favoritesEnabled()) {
+            final Optional<Map.Entry<NBTTagCompound, RecipeId>> result = items.entrySet().stream()
+                    .filter(entry -> entry.getValue().equals(recipeId)).findAny();
+
+            if (result.isPresent()) {
+                return StackInfo.loadFromNBT(result.get().getKey());
+            }
+        }
+
+        return null;
+    }
+
+    public static boolean contains(ItemStack stack) {
+        return getFavorite(stack) != null;
+    }
+
+    public static void setFavorite(ItemStack stack, RecipeId recipeId) {
+        final NBTTagCompound itemStackNBT = StackInfo.itemStackToNBT(stack, false);
+        final String fluidKey = getFluidKey(stack);
+
+        items.entrySet().removeIf(entry -> entry.getKey().equals(itemStackNBT) || entry.getValue().equals(recipeId));
+        fluids.entrySet().removeIf(entry -> entry.getKey().equals(fluidKey) || entry.getValue().equals(recipeId));
+
+        if (recipeId != null) {
+            items.put(itemStackNBT, recipeId);
+
+            if (fluidKey != null) {
+                fluids.put(fluidKey, recipeId);
+            }
+        }
+
+        SubsetWidget.updateHiddenItems();
+        ItemList.updateFilter.restart();
+    }
+
+    private static String getFluidKey(ItemStack stack) {
+        final FluidStack fluid = StackInfo.getFluid(stack);
+
+        if (fluid != null) {
+            return FluidRegistry.getFluidName(fluid);
+        }
+
+        return null;
+    }
+
+    public static void save() {
+
+        if (favoriteFile == null) {
+            return;
+        }
+
+        final List<String> strings = new ArrayList<>();
+
+        for (Map.Entry<NBTTagCompound, RecipeId> entry : items.entrySet()) {
+
+            try {
+                final JsonObject line = new JsonObject();
+
+                line.add("item", NBTJson.toJsonObject(entry.getKey()));
+                line.add("recipeId", entry.getValue().toJsonObject());
+
+                strings.add(NBTJson.toJson(line));
+            } catch (JsonSyntaxException e) {
+                NEIClientConfig.logger.error("Failed to stringify favorites ItemStack to json string");
+            }
+
+        }
+
+        try (FileOutputStream output = new FileOutputStream(favoriteFile)) {
+            IOUtils.writeLines(strings, "\n", output, StandardCharsets.UTF_8);
+        } catch (IOException e) {
+            NEIClientConfig.logger.error("Filed to save favorites list to file {}", favoriteFile, e);
+        }
+    }
+
+}

src/main/java/codechicken/nei/HeldItemHandler.java

@@ -5,12 +5,12 @@ import static codechicken.nei.NEIClientUtils.translate;
 import java.util.List;
 
 import net.minecraft.client.gui.inventory.GuiContainer;
-import net.minecraft.item.ItemStack;
 import net.minecraft.util.EnumChatFormatting;
 
 import codechicken.nei.guihook.GuiContainerManager;
 import codechicken.nei.guihook.IContainerInputHandler;
 import codechicken.nei.guihook.IContainerTooltipHandler;
+import codechicken.nei.recipe.AutoCraftingManager;
 
 public class HeldItemHandler implements IContainerInputHandler, IContainerTooltipHandler {
 
@@ -25,7 +25,8 @@ public class HeldItemHandler implements IContainerInputHandler, IContainerToolti
     }
 
     protected boolean contains(int mousex, int mousey) {
-        return NEIClientUtils.getHeldItem() != null
+        return NEIClientUtils.getHeldItem() != null && !ItemPanels.bookmarkPanel.inEditingState()
+                && !AutoCraftingManager.processing()
                 && (ItemPanels.bookmarkPanel.contains(mousex, mousey) || ItemPanels.itemPanel.contains(mousex, mousey)
                         || ItemPanels.itemPanel.historyPanel.contains(mousex, mousey));
     }
@@ -94,17 +95,6 @@ public class HeldItemHandler implements IContainerInputHandler, IContainerToolti
 
     }
 
-    @Override
-    public List<String> handleItemDisplayName(GuiContainer gui, ItemStack itemstack, List<String> currenttip) {
-        return currenttip;
-    }
-
-    @Override
-    public List<String> handleItemTooltip(GuiContainer gui, ItemStack itemstack, int mousex, int mousey,
-            List<String> currenttip) {
-        return currenttip;
-    }
-
     @Override
     public List<String> handleTooltip(GuiContainer gui, int mousex, int mousey, List<String> currenttip) {
 

src/main/java/codechicken/nei/ItemHistoryPanel.java

@@ -1,25 +1,64 @@
 package codechicken.nei;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import net.minecraft.client.gui.inventory.GuiContainer;
 import net.minecraft.item.ItemStack;
 
 import org.lwjgl.opengl.GL11;
 
 import codechicken.lib.gui.GuiDraw;
-import codechicken.nei.ItemPanel.ItemPanelSlot;
+import codechicken.nei.ItemsGrid.ItemsGridSlot;
+import codechicken.nei.ItemsGrid.MouseContext;
+import codechicken.nei.guihook.IContainerTooltipHandler;
 import codechicken.nei.recipe.GuiCraftingRecipe;
 import codechicken.nei.recipe.GuiRecipe;
 import codechicken.nei.recipe.GuiUsageRecipe;
 import codechicken.nei.recipe.StackInfo;
 
-public class ItemHistoryPanel extends Widget {
+public class ItemHistoryPanel extends Widget implements IContainerTooltipHandler {
 
-    protected int mouseDownSlot = -1;
-    protected ItemsGrid grid;
+    protected int mouseDownItemIndex = -1;
 
-    public ItemHistoryPanel() {
-        grid = new ItemsGrid();
-    }
+    protected ItemsGrid<ItemsGridSlot, MouseContext> grid = new ItemsGrid<>() {
+
+        protected List<ItemsGridSlot> gridMask;
+
+        @Override
+        protected void onGridChanged() {
+            this.gridMask = null;
+            super.onGridChanged();
+        }
+
+        @Override
+        public List<ItemsGridSlot> getMask() {
+
+            if (this.gridMask == null) {
+                this.gridMask = new ArrayList<>();
+                for (int slotIndex = 0; slotIndex < Math.min(size(), this.rows * this.columns); slotIndex++) {
+                    this.gridMask.add(new ItemsGridSlot(slotIndex, slotIndex, getItem(slotIndex)));
+                }
+            }
+
+            return this.gridMask;
+        }
+
+        @Override
+        protected MouseContext getMouseContext(int mousex, int mousey) {
+            final ItemsGridSlot hovered = getSlotMouseOver(mousex, mousey);
+
+            if (hovered != null) {
+                return new MouseContext(
+                        hovered.slotIndex,
+                        hovered.slotIndex / this.columns,
+                        hovered.slotIndex % this.columns);
+            }
+
+            return null;
+        }
+
+    };
 
     public boolean isEmpty() {
         return grid.isEmpty();
@@ -33,40 +72,40 @@ public class ItemHistoryPanel extends Widget {
             drawSplittingArea(x, y, w, h, NEIClientConfig.getSetting("inventory.history.historyColor").getHexValue());
         }
 
-        grid.draw(mousex, mousey);
+        this.grid.draw(mousex, mousey);
     }
 
     public void update() {
-        grid.update();
+        this.grid.update();
     }
 
     public void addItem(ItemStack stack) {
         if (stack != null) {
             ItemStack is = StackInfo.loadFromNBT(StackInfo.itemStackToNBT(stack), 0);
 
-            grid.realItems.removeIf(historyStack -> StackInfo.equalItemAndNBT(historyStack, stack, true));
-            grid.realItems.add(0, is);
+            this.grid.realItems.removeIf(historyStack -> StackInfo.equalItemAndNBT(historyStack, stack, true));
+            this.grid.realItems.add(0, is);
 
-            if (grid.realItems.size() > Math.max(50, grid.rows * grid.columns)) {
-                grid.realItems.remove(grid.realItems.size() - 1);
+            if (this.grid.realItems.size() > Math.max(50, this.grid.rows * this.grid.columns)) {
+                this.grid.realItems.remove(this.grid.realItems.size() - 1);
             }
 
-            grid.onItemsChanged();
+            this.grid.onItemsChanged();
         }
     }
 
     public void resize(GuiContainer gui) {
-        grid.setGridSize(x, y, w, h);
-        grid.refresh(gui);
+        this.grid.setGridSize(x, y + 4, w, h - 8);
+        this.grid.refresh(gui);
     }
 
     @Override
     public ItemStack getStackMouseOver(int mousex, int mousey) {
-        ItemPanelSlot slot = getSlotMouseOver(mousex, mousey);
-        return slot == null ? null : slot.item;
+        final ItemsGridSlot slot = getSlotMouseOver(mousex, mousey);
+        return slot == null ? null : slot.getItemStack();
     }
 
-    public ItemPanelSlot getSlotMouseOver(int mousex, int mousey) {
+    public ItemsGridSlot getSlotMouseOver(int mousex, int mousey) {
         return grid.getSlotMouseOver(mousex, mousey);
     }
 
@@ -107,15 +146,16 @@ public class ItemHistoryPanel extends Widget {
     @Override
     public void mouseDragged(int mousex, int mousey, int button, long heldTime) {
 
-        if (mouseDownSlot >= 0 && ItemPanels.itemPanel.draggedStack == null
+        if (this.mouseDownItemIndex >= 0 && ItemPanels.itemPanel.draggedStack == null
                 && NEIClientUtils.getHeldItem() == null
                 && NEIClientConfig.hasSMPCounterPart()) {
 
-            ItemPanelSlot mouseOverSlot = getSlotMouseOver(mousex, mousey);
+            final ItemsGridSlot mouseOverSlot = getSlotMouseOver(mousex, mousey);
 
-            if (mouseOverSlot == null || mouseOverSlot.slotIndex != mouseDownSlot || heldTime > 500) {
-                ItemPanels.itemPanel.draggedStack = getDraggedStackWithQuantity(mouseDownSlot);
-                mouseDownSlot = -1;
+            if (mouseOverSlot == null || mouseOverSlot.itemIndex != this.mouseDownItemIndex || heldTime > 500) {
+                ItemPanels.itemPanel.draggedStack = getDraggedStackWithQuantity(
+                        this.grid.getItem(this.mouseDownItemIndex));
+                this.mouseDownItemIndex = -1;
             }
         }
 
@@ -125,17 +165,13 @@ public class ItemHistoryPanel extends Widget {
     public boolean handleClick(int mousex, int mousey, int button) {
         if (handleClickExt(mousex, mousey, button)) return true;
 
-        ItemPanelSlot hoverSlot = getSlotMouseOver(mousex, mousey);
+        final ItemsGridSlot hoverSlot = this.grid.getSlotMouseOver(mousex, mousey);
         if (hoverSlot != null) {
 
             if (button == 2) {
-
-                if (hoverSlot.item != null) {
-                    ItemPanels.itemPanel.draggedStack = getDraggedStackWithQuantity(hoverSlot.slotIndex);
-                }
-
+                ItemPanels.itemPanel.draggedStack = getDraggedStackWithQuantity(hoverSlot.getItemStack());
             } else {
-                mouseDownSlot = hoverSlot.slotIndex;
+                mouseDownItemIndex = hoverSlot.itemIndex;
             }
 
             return true;
@@ -144,46 +180,38 @@ public class ItemHistoryPanel extends Widget {
         return false;
     }
 
-    @Override
-    public void mouseUp(int mousex, int mousey, int button) {
-        ItemPanelSlot hoverSlot = getSlotMouseOver(mousex, mousey);
-
-        if (hoverSlot != null && hoverSlot.slotIndex == mouseDownSlot && ItemPanels.itemPanel.draggedStack == null) {
-            ItemStack item = hoverSlot.item.copy();
-
-            if (NEIController.manager.window instanceof GuiRecipe || NEIClientUtils.shiftKey()
-                    || !NEIClientConfig.canCheatItem(item)) {
-
-                if (button == 0) {
-                    GuiCraftingRecipe.openRecipeGui("item", item);
-                } else if (button == 1) {
-                    GuiUsageRecipe.openRecipeGui("item", item);
-                }
-
-                mouseDownSlot = -1;
-                return;
-            }
-
-            NEIClientUtils.cheatItem(getDraggedStackWithQuantity(hoverSlot.slotIndex), button, -1);
-        }
-
-        mouseDownSlot = -1;
+    protected ItemStack getDraggedStackWithQuantity(ItemStack itemStack) {
+        return ItemQuantityField.prepareStackWithQuantity(itemStack, 0);
     }
 
-    protected ItemStack getDraggedStackWithQuantity(int mouseDownSlot) {
-        ItemStack stack = grid.getItem(mouseDownSlot);
+    public ItemStack getStackMouseOverWithQuantity(int mousex, int mousey) {
+        final ItemStack hoverSlot = getStackMouseOver(mousex, mousey);
+        return hoverSlot != null ? getDraggedStackWithQuantity(hoverSlot) : null;
+    }
 
-        if (stack != null) {
-            int amount = NEIClientConfig.showItemQuantityWidget() ? NEIClientConfig.getItemQuantity() : 0;
+    @Override
+    public void mouseUp(int mousex, int mousey, int button) {
+        final ItemsGridSlot hoverSlot = getSlotMouseOver(mousex, mousey);
 
-            if (amount == 0) {
-                amount = stack.getMaxStackSize();
+        if (hoverSlot != null && hoverSlot.itemIndex == this.mouseDownItemIndex
+                && ItemPanels.itemPanel.draggedStack == null) {
+
+            if (NEIController.manager.window instanceof GuiRecipe || NEIClientUtils.shiftKey()
+                    || !NEIClientConfig.canCheatItem(hoverSlot.getItemStack())) {
+
+                if (button == 0) {
+                    GuiCraftingRecipe.openRecipeGui("item", hoverSlot.getItemStack().copy());
+                } else if (button == 1) {
+                    GuiUsageRecipe.openRecipeGui("item", hoverSlot.getItemStack().copy());
+                }
+
+            } else {
+                NEIClientUtils.cheatItem(getDraggedStackWithQuantity(hoverSlot.getItemStack()), button, -1);
             }
 
-            return NEIServerUtils.copyStack(stack, amount);
         }
 
-        return null;
+        this.mouseDownItemIndex = -1;
     }
 
 }

src/main/java/codechicken/nei/ItemList.java

@@ -7,6 +7,7 @@ import java.util.HashMap;
 import java.util.HashSet;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.Map;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ForkJoinPool;
 import java.util.concurrent.ForkJoinWorkerThread;
@@ -47,7 +48,7 @@ public class ItemList {
 
     private static final HashSet<Item> erroredItems = new HashSet<>();
     private static final HashSet<String> stackTraces = new HashSet<>();
-    private static HashMap<ItemStack, Integer> ordering = new HashMap<>();
+    private static Map<ItemStack, Integer> ordering = new HashMap<>();
     /**
      * Unlike {@link LayoutManager#itemsLoaded}, this indicates whether item loading is actually finished or not.
      */
@@ -213,8 +214,7 @@ public class ItemList {
                 IIcon icon = item.getIconIndex(itemstack);
                 String name = getTooltip(itemstack);
                 String s = name + "@" + (icon == null ? 0 : icon.hashCode());
-                if (!damageIconSet.contains(s)) {
-                    damageIconSet.add(s);
+                if (damageIconSet.add(s)) {
                     permutations.add(itemstack);
                 }
             } catch (TimeoutException t) {
@@ -237,12 +237,11 @@ public class ItemList {
         }
 
         private void updateOrdering(List<ItemStack> items) {
+            final Map<ItemStack, Integer> newOrdering = new HashMap<>();
             ItemSorter.sort(items);
 
-            HashMap<ItemStack, Integer> newOrdering = new HashMap<>();
-
             if (!CollapsibleItems.isEmpty()) {
-                HashMap<Integer, Integer> groups = new HashMap<>();
+                final HashMap<Integer, Integer> groups = new HashMap<>();
                 int orderIndex = 0;
 
                 for (ItemStack stack : items) {
@@ -309,7 +308,6 @@ public class ItemList {
             ListMultimap<Item, ItemStack> itemMap = ArrayListMultimap.create();
             ItemStackSet unique = new ItemStackSet();
 
-            timer.setLimit(NEIClientConfig.getItemLoadingTimeout());
             StreamSupport.stream(((Iterable<Item>) Item.itemRegistry).spliterator(), true).forEach(item -> {
                 if (item == null || item.delegate.name() == null || erroredItems.contains(item)) return;
 
@@ -330,6 +328,7 @@ public class ItemList {
                             }
 
                             CollapsibleItems.putItem(stack);
+                            TooltipFilter.getSearchTooltip(stack);
                         }
                     }
 
@@ -358,13 +357,10 @@ public class ItemList {
             if (interrupted()) return;
             updateOrdering(ItemList.items);
 
-            new Thread(
-                    () -> ItemList.items.parallelStream().forEach(TooltipFilter::getSearchTooltip),
-                    "NEI Tooltip Filter Loader").start();
-
             loadFinished = true;
 
             SubsetWidget.updateHiddenItems();
+            ItemPanels.bookmarkPanel.load();
             updateFilter.restart();
         }
     };
@@ -410,8 +406,7 @@ public class ItemList {
 
             if (interrupted()) return;
 
-            Comparator<ItemStack> comparator = Comparator.comparingInt(ItemList.ordering::get);
-            filtered.sort(comparator::compare);
+            filtered.sort(Comparator.comparingInt(ItemList.ordering::get));
 
             if (interrupted()) return;
 

src/main/java/codechicken/nei/ItemPanel.java

@@ -1,27 +1,17 @@
 package codechicken.nei;
 
-import java.awt.Color;
 import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.HashSet;
 import java.util.List;
-import java.util.Set;
-
-import javax.annotation.Nullable;
+import java.util.Map;
 
 import net.minecraft.client.gui.inventory.GuiContainer;
-import net.minecraft.client.renderer.OpenGlHelper;
-import net.minecraft.client.renderer.Tessellator;
 import net.minecraft.item.ItemStack;
-import net.minecraft.util.EnumChatFormatting;
-
-import org.lwjgl.opengl.GL11;
 
 import codechicken.lib.gui.GuiDraw;
-import codechicken.lib.vec.Rectangle4i;
-import codechicken.nei.guihook.GuiContainerManager;
+import codechicken.nei.ItemsPanelGrid.ItemsPanelGridSlot;
+import codechicken.nei.util.NEIMouseUtils;
 
-public class ItemPanel extends PanelWidget {
+public class ItemPanel extends PanelWidget<ItemsPanelGrid> {
 
     /**
      * Backwards compat :-/
@@ -41,285 +31,49 @@ public class ItemPanel extends PanelWidget {
         return super.getStackMouseOver(mousex, mousey);
     }
 
-    public ItemHistoryPanel historyPanel;
+    public ItemHistoryPanel historyPanel = new ItemHistoryPanel();
     public Button toggleGroups;
 
-    public static class ItemPanelSlot {
+    @Deprecated
+    public static class ItemPanelSlot extends ItemsPanelGridSlot {
 
-        public ItemStack item;
-        public int slotIndex;
-
-        public ItemPanelSlot(int idx, ItemStack stack) {
-            slotIndex = idx;
-            item = stack;
+        @Deprecated
+        public ItemPanelSlot(int idx, ItemStack item) {
+            this(idx, 0, item);
         }
 
         @Deprecated
         public ItemPanelSlot(int idx) {
-            this(idx, ItemPanels.itemPanel.getGrid().getItem(idx));
-        }
-    }
-
-    protected static class MaskMetadata {
-
-        public int groupIndex = -1;
-        public String displayName = "";
-        public boolean extended = false;
-
-        public Color bgColor = null;
-        public Color color = null;
-
-        public boolean left = false;
-        public boolean top = false;
-        public boolean right = false;
-        public boolean bottom = false;
-
-    }
-
-    protected static class ItemPanelGrid extends ItemsGrid {
-
-        public ArrayList<ItemStack> newItems;
-        public ArrayList<ItemStack> rawItems;
-
-        protected final HashMap<Integer, List<ItemStack>> groupItems = new HashMap<>();
-        protected final HashMap<Integer, MaskMetadata> maskMetadata = new HashMap<>();
-        protected boolean forceExpand = false;
-
-        public void setItems(ArrayList<ItemStack> items) {
-            newItems = items;
+            this(idx, 0, ItemPanels.itemPanel.getGrid().getItem(idx));
         }
 
-        public void refresh(GuiContainer gui) {
+        private ItemPanelSlot(int slotIndex, int itemIndex, ItemStack item) {
+            super(slotIndex, itemIndex, item);
+        }
 
-            if (this.newItems != null) {
-                this.groupItems.clear();
-                this.forceExpand = false;
+        protected static ItemPanelSlot of(ItemsPanelGridSlot slot) {
 
-                if (!CollapsibleItems.isEmpty() && !this.newItems.isEmpty()) {
-                    final Set<Integer> groups = new HashSet<>();
-                    boolean outsideGroup = false;
-
-                    this.realItems = new ArrayList<>();
-                    this.rawItems = new ArrayList<>(this.newItems);
-
-                    for (ItemStack stack : this.newItems) {
-                        final int groupIndex = CollapsibleItems.getGroupIndex(stack);
-
-                        if (groupIndex == -1) {
-                            this.realItems.add(stack);
-                            outsideGroup = true;
-                        } else {
-
-                            if (!groups.contains(groupIndex) || CollapsibleItems.isExpanded(groupIndex)) {
-                                this.realItems.add(stack);
-                                groups.add(groupIndex);
-                            }
-
-                            if (!this.groupItems.containsKey(groupIndex)) {
-                                this.groupItems.put(groupIndex, new ArrayList<>());
-                            }
-
-                            this.groupItems.get(groupIndex).add(stack);
-                        }
-                    }
-
-                    // automatically opens if there are elements from only one group
-                    if (!outsideGroup && groups.size() == 1) {
-                        this.realItems = new ArrayList<>(this.newItems);
-                        this.forceExpand = true;
-                    }
-                } else {
-                    this.realItems = new ArrayList<>(this.newItems);
-                }
-
-                this.newItems = null;
-                onItemsChanged();
+            if (slot != null) {
+                ItemPanelSlot customSlot = new ItemPanelSlot(slot.slotIndex, slot.itemIndex, slot.item);
+                customSlot.groupIndex = slot.groupIndex;
+                customSlot.displayName = slot.displayName;
+                customSlot.bgItemStack = slot.bgItemStack;
+                customSlot.groupSize = slot.groupSize;
+                customSlot.extended = slot.extended;
+                customSlot.bgColor = slot.bgColor;
+                return customSlot;
             }
 
-            super.refresh(gui);
-        }
-
-        @Override
-        protected List<Integer> getMask() {
-            final boolean updateBorders = this.gridMask == null;
-            final List<Integer> mask = super.getMask();
-
-            if (updateBorders) {
-                calculateGroupBorders(mask);
-            }
-
-            return mask;
-        }
-
-        protected void calculateGroupBorders(List<Integer> mask) {
-            this.maskMetadata.clear();
-
-            if (mask.isEmpty() || this.groupItems.isEmpty()) {
-                return;
-            }
-
-            final HashMap<Integer, Integer> maskGroup = new HashMap<>();
-            final Color collapsedColor = new Color(
-                    NEIClientConfig.getSetting("inventory.collapsibleItems.collapsedColor").getHexValue(),
-                    true);
-            final Color expandedColor = new Color(
-                    NEIClientConfig.getSetting("inventory.collapsibleItems.expandedColor").getHexValue(),
-                    true);
-
-            for (int slotIndex = 0; slotIndex < mask.size(); slotIndex++) {
-                if (mask.get(slotIndex) == null) {
-                    continue;
-                }
-
-                int idx = mask.get(slotIndex);
-                maskGroup.put(idx, CollapsibleItems.getGroupIndex(getItem(idx)));
-            }
-
-            for (int slotIndex = 0; slotIndex < mask.size(); slotIndex++) {
-                if (mask.get(slotIndex) == null) {
-                    continue;
-                }
-
-                int idx = mask.get(slotIndex);
-                int groupIndex = maskGroup.get(idx);
-
-                if (groupIndex == -1 || this.groupItems.get(groupIndex).size() == 1) {
-                    continue;
-                }
-
-                int column = slotIndex % this.columns;
-                int row = slotIndex / this.columns;
-                int prevSlotIndex = (row - 1) * this.columns + column;
-                int nextSlotIndex = (row + 1) * this.columns + column;
-                MaskMetadata metadata = new MaskMetadata();
-
-                metadata.groupIndex = groupIndex;
-                metadata.displayName = CollapsibleItems.getDisplayName(groupIndex);
-                metadata.extended = this.forceExpand || CollapsibleItems.isExpanded(groupIndex);
-                metadata.bgColor = metadata.extended ? expandedColor : collapsedColor;
-                metadata.color = darkerColor(metadata.bgColor);
-                metadata.left = column == 0 || idx == 0
-                        || mask.get(slotIndex - 1) == null
-                        || maskGroup.getOrDefault(idx - 1, -1) != groupIndex;
-                metadata.right = column == this.columns - 1 || maskGroup.getOrDefault(idx + 1, -1) != groupIndex;
-
-                if (prevSlotIndex >= 0) {
-                    Integer previdx = mask.get(prevSlotIndex);
-                    metadata.top = previdx == null || maskGroup.getOrDefault(previdx, -1) != groupIndex;
-                } else {
-                    metadata.top = true;
-                }
-
-                if (nextSlotIndex < mask.size()) {
-                    Integer nextidx = mask.get(nextSlotIndex);
-                    metadata.bottom = nextidx == null || maskGroup.getOrDefault(nextidx, -1) != groupIndex;
-                } else {
-                    metadata.bottom = true;
-                }
-
-                this.maskMetadata.put(idx, metadata);
-            }
-        }
-
-        @Override
-        protected void beforeDrawItems(int mousex, int mousey, @Nullable ItemPanelSlot focused) {
-            final List<Integer> mask = getMask();
-
-            super.beforeDrawItems(mousex, mousey, focused);
-
-            for (int i = 0; i < mask.size(); i++) {
-                if (mask.get(i) != null) {
-                    drawBorder(mask.get(i), getSlotRect(i));
-                }
-            }
-        }
-
-        protected void drawBorder(int slotIdx, Rectangle4i rect) {
-            final MaskMetadata metadata = this.maskMetadata.get(slotIdx);
-
-            if (metadata != null) {
-                final float LINE_WIDTH = 0.75f;
-
-                drawRect(rect.x, rect.y, rect.w, rect.h, metadata.bgColor);
-
-                if (metadata.left) {
-                    float leftBottom = metadata.bottom ? -LINE_WIDTH : 0;
-                    drawRect(rect.x, rect.y, LINE_WIDTH, rect.h + leftBottom, metadata.color);
-                }
-
-                if (metadata.right) {
-                    float rightTop = metadata.top ? LINE_WIDTH : 0;
-                    drawRect(rect.x + rect.w, rect.y - rightTop, LINE_WIDTH, rect.h + rightTop, metadata.color);
-                }
-
-                if (metadata.top) {
-                    drawRect(rect.x, rect.y - LINE_WIDTH, rect.w, LINE_WIDTH, metadata.color);
-                }
-
-                if (metadata.bottom) {
-                    drawRect(rect.x, rect.y + rect.h - LINE_WIDTH, rect.w, LINE_WIDTH, metadata.color);
-                }
-            }
-        }
-
-        private static Color darkerColor(Color color) {
-            return new Color(
-                    color.getRed(),
-                    color.getGreen(),
-                    color.getBlue(),
-                    Math.min((int) (color.getAlpha() + (255f / 5) * 2), 255));
-        }
-
-        private static void drawRect(double left, double top, double width, double height, Color color) {
-            Tessellator tessellator = Tessellator.instance;
-
-            GL11.glEnable(GL11.GL_BLEND);
-            GL11.glDisable(GL11.GL_TEXTURE_2D);
-            OpenGlHelper.glBlendFunc(770, 771, 1, 0);
-            GL11.glColor4f(
-                    color.getRed() / 255f,
-                    color.getGreen() / 255f,
-                    color.getBlue() / 255f,
-                    color.getAlpha() / 255f);
-            tessellator.startDrawingQuads();
-            tessellator.addVertex(left, top + height, 0.0D);
-            tessellator.addVertex(left + width, top + height, 0.0D);
-            tessellator.addVertex(left + width, top, 0.0D);
-            tessellator.addVertex(left, top, 0.0D);
-            tessellator.draw();
-            GL11.glEnable(GL11.GL_TEXTURE_2D);
-            GL11.glDisable(GL11.GL_BLEND);
-        }
-
-        @Override
-        protected void drawItem(Rectangle4i rect, int slotIdx) {
-            final MaskMetadata metadata = this.maskMetadata.get(slotIdx);
-
-            if (metadata != null && !metadata.extended) {
-                final List<ItemStack> groupItems = this.groupItems.get(metadata.groupIndex);
-
-                GuiContainerManager.drawItems.zLevel -= 10F;
-                GuiContainerManager.drawItem(rect.x + 1, rect.y - 1, groupItems.get(groupItems.size() - 1), true, "");
-                GuiContainerManager.drawItems.zLevel += 10F;
-
-                GuiContainerManager.drawItem(rect.x - 1, rect.y + 1, getItem(slotIdx), true, "");
-            } else {
-                super.drawItem(rect, slotIdx);
-            }
-        }
-
-        @Override
-        public String getMessageOnEmpty() {
-            return ItemList.loadFinished ? null : NEIClientUtils.translate("itempanel.loading");
+            return null;
         }
     }
 
     public ItemPanel() {
-        grid = new ItemPanelGrid();
+        this.grid = new ItemsPanelGrid();
     }
 
     public static void updateItemList(ArrayList<ItemStack> newItems) {
-        ((ItemPanelGrid) ItemPanels.itemPanel.getGrid()).setItems(newItems);
+        ItemPanels.itemPanel.getGrid().setItems(newItems);
         ItemPanels.itemPanel.realItems = newItems;
     }
 
@@ -342,12 +96,12 @@ public class ItemPanel extends PanelWidget {
             }
         };
 
-        historyPanel = new ItemHistoryPanel();
     }
 
-    @Deprecated
-    public void scroll(int i) {
-        grid.shiftPage(i);
+    @Override
+    public ItemPanelSlot getSlotMouseOver(int mousex, int mousey) {
+        // use ItemPanelSlot for Backwards compat
+        return ItemPanelSlot.of(this.grid.getSlotMouseOver(mousex, mousey));
     }
 
     public String getLabelText() {
@@ -395,7 +149,7 @@ public class ItemPanel extends PanelWidget {
         if (NEIClientConfig.showHistoryPanelWidget()) {
             historyPanel.x = x;
             historyPanel.w = w;
-            historyPanel.h = ItemsGrid.SLOT_SIZE * NEIClientConfig.getIntSetting("inventory.history.useRows");
+            historyPanel.h = 8 + ItemsGrid.SLOT_SIZE * NEIClientConfig.getIntSetting("inventory.history.useRows");
 
             if (NEIClientConfig.showItemQuantityWidget() || !NEIClientConfig.isSearchWidgetCentered()) {
                 historyPanel.y = LayoutManager.quantity.y - historyPanel.h - PanelWidget.PADDING;
@@ -430,51 +184,23 @@ public class ItemPanel extends PanelWidget {
         historyPanel.resize(gui);
     }
 
-    protected ItemStack getDraggedStackWithQuantity(int mouseDownSlot) {
-        ItemStack stack = grid.getItem(mouseDownSlot);
-
-        if (stack != null) {
-            int amount = NEIClientConfig.showItemQuantityWidget() ? NEIClientConfig.getItemQuantity() : 0;
-
-            if (amount == 0) {
-                amount = stack.getMaxStackSize();
-            }
-
-            return NEIServerUtils.copyStack(stack, amount);
-        }
-
-        return null;
+    protected ItemStack getDraggedStackWithQuantity(ItemStack itemStack) {
+        return ItemQuantityField.prepareStackWithQuantity(itemStack, 0);
     }
 
     @Override
     public List<String> handleItemTooltip(GuiContainer gui, ItemStack itemstack, int mousex, int mousey,
             List<String> currenttip) {
-        final ItemPanelGrid panelGrid = ((ItemPanelGrid) this.grid);
 
-        if (!panelGrid.forceExpand && !NEIClientConfig.isHidden() && !currenttip.isEmpty()) {
-            final ItemPanelSlot hoverSlot = getSlotMouseOver(mousex, mousey);
+        if (!this.grid.forceExpand && !currenttip.isEmpty()) {
+            final ItemsPanelGridSlot hoverSlot = this.grid.getSlotMouseOver(mousex, mousey);
 
-            if (hoverSlot != null) {
-                final MaskMetadata metadata = panelGrid.maskMetadata.get(hoverSlot.slotIndex);
-
-                if (metadata != null) {
-                    final List<ItemStack> items = panelGrid.groupItems.get(metadata.groupIndex);
-
-                    if (NEIClientConfig.getBooleanSetting("inventory.collapsibleItems.customName") && !metadata.extended
-                            && !"".equals(metadata.displayName)) {
-                        currenttip.clear();
-                        currenttip.add(metadata.displayName + GuiDraw.TOOLTIP_LINESPACE);
-                    }
-
-                    if (items != null && items.size() > 1) {
-                        String message = metadata.extended ? "itempanel.collapsed.hint.collapse"
-                                : "itempanel.collapsed.hint.expand";
-                        currenttip.add(
-                                1,
-                                EnumChatFormatting.GRAY + NEIClientUtils.translate(message, items.size())
-                                        + EnumChatFormatting.RESET);
-                    }
-                }
+            if (hoverSlot != null && hoverSlot.groupIndex >= 0
+                    && NEIClientConfig.getBooleanSetting("inventory.collapsibleItems.customName")
+                    && !hoverSlot.extended
+                    && !"".equals(hoverSlot.displayName)) {
+                currenttip.clear();
+                currenttip.add(hoverSlot.displayName + GuiDraw.TOOLTIP_LINESPACE);
             }
         }
 
@@ -483,23 +209,34 @@ public class ItemPanel extends PanelWidget {
 
     @Override
     public boolean handleClick(int mousex, int mousey, int button) {
-        final ItemPanelGrid panelGrid = ((ItemPanelGrid) this.grid);
 
-        if (NEIClientUtils.altKey() && button == 0 && !panelGrid.forceExpand) {
-            final ItemPanelSlot hoverSlot = grid.getSlotMouseOver(mousex, mousey);
+        if (button == 0 && !this.grid.forceExpand && NEIClientUtils.altKey()) {
+            final ItemsPanelGridSlot hoverSlot = this.grid.getSlotMouseOver(mousex, mousey);
 
-            if (hoverSlot != null) {
-                final MaskMetadata metadata = panelGrid.maskMetadata.get(hoverSlot.slotIndex);
-
-                if (metadata != null) {
-                    CollapsibleItems.setExpanded(metadata.groupIndex, !metadata.extended);
-                    panelGrid.setItems(panelGrid.rawItems);
-                    return true;
-                }
+            if (hoverSlot != null && hoverSlot.groupIndex >= 0) {
+                CollapsibleItems.setExpanded(hoverSlot.groupIndex, !hoverSlot.extended);
+                this.grid.setItems(this.grid.rawItems);
+                NEIClientUtils.playClickSound();
+                return true;
             }
         }
 
         return super.handleClick(mousex, mousey, button);
     }
 
+    @Override
+    public Map<String, String> handleHotkeys(GuiContainer gui, int mousex, int mousey, Map<String, String> hotkeys) {
+        final ItemsPanelGridSlot hoverSlot = this.grid.getSlotMouseOver(mousex, mousey);
+
+        if (!this.grid.forceExpand && hoverSlot != null && hoverSlot.groupIndex >= 0 && hoverSlot.groupSize > 1) {
+            final String message = hoverSlot.extended ? "itempanel.collapsed.hint.collapse"
+                    : "itempanel.collapsed.hint.expand";
+            hotkeys.put(
+                    NEIClientUtils.getKeyName(NEIClientUtils.ALT_HASH, NEIMouseUtils.MOUSE_BTN_LMB),
+                    NEIClientUtils.translate(message, hoverSlot.groupSize));
+        }
+
+        return hotkeys;
+    }
+
 }

src/main/java/codechicken/nei/ItemQuantityField.java

@@ -2,6 +2,10 @@ package codechicken.nei;
 
 import static codechicken.nei.NEIClientUtils.translate;
 
+import net.minecraft.item.ItemStack;
+
+import codechicken.nei.recipe.StackInfo;
+
 public class ItemQuantityField extends TextField {
 
     public ItemQuantityField(String ident) {
@@ -22,6 +26,22 @@ public class ItemQuantityField extends TextField {
         }
     }
 
+    public static ItemStack prepareStackWithQuantity(ItemStack stack, long amount) {
+        if (stack == null) {
+            return null;
+        }
+
+        if (amount == 0) {
+            amount = NEIClientConfig.showItemQuantityWidget() ? NEIClientConfig.getItemQuantity() : 0;
+
+            if (amount == 0) {
+                amount = StackInfo.itemStackToNBT(stack).hasKey("gtFluidName") ? 144 : stack.getMaxStackSize();
+            }
+        }
+
+        return StackInfo.withAmount(stack, amount);
+    }
+
     @Override
     public void gainFocus() {
         if (text().equals("0")) {

src/main/java/codechicken/nei/ItemStackAmount.java

@@ -22,6 +22,12 @@ public class ItemStackAmount {
         }
     }
 
+    public void addAll(Iterable<ItemStack> items) {
+        for (ItemStack stack : items) {
+            add(stack);
+        }
+    }
+
     public void add(ItemStack item) {
         add(item, (long) StackInfo.getAmount(item));
     }
@@ -30,7 +36,9 @@ public class ItemStackAmount {
         if (stack == null || stack.getItem() == null) return;
         final NBTTagCompound key = StackInfo.itemStackToNBT(stack, false);
 
-        this.itemMap.put(key, value + this.itemMap.getOrDefault(key, 0L));
+        if (key != null) {
+            this.itemMap.put(key, value + this.itemMap.getOrDefault(key, 0L));
+        }
     }
 
     public Long get(ItemStack stack) {
@@ -44,7 +52,9 @@ public class ItemStackAmount {
         if (stack == null || stack.getItem() == null) return;
         final NBTTagCompound key = StackInfo.itemStackToNBT(stack, false);
 
-        this.itemMap.put(key, value);
+        if (key != null) {
+            this.itemMap.put(key, value);
+        }
     }
 
     public long getOrDefault(ItemStack stack, long defaultAmount) {
@@ -53,6 +63,10 @@ public class ItemStackAmount {
         return e == null ? defaultAmount : e;
     }
 
+    public boolean contains(ItemStack stack) {
+        return get(stack) != null;
+    }
+
     public void clear() {
         this.itemMap.clear();
     }

src/main/java/codechicken/nei/ItemsGrid.java

@@ -1,12 +1,10 @@
 package codechicken.nei;
 
-import static codechicken.lib.gui.GuiDraw.drawRect;
-
+import java.awt.Color;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-
-import javax.annotation.Nullable;
+import java.util.Objects;
 
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.ScaledResolution;
@@ -20,14 +18,13 @@ import org.lwjgl.opengl.GL11;
 import org.lwjgl.opengl.GL30;
 
 import codechicken.lib.vec.Rectangle4i;
-import codechicken.nei.ItemPanel.ItemPanelSlot;
 import codechicken.nei.api.GuiInfo;
 import codechicken.nei.guihook.GuiContainerManager;
 import codechicken.nei.recipe.StackInfo;
 
-public class ItemsGrid {
+public abstract class ItemsGrid<T extends ItemsGrid.ItemsGridSlot, M extends ItemsGrid.MouseContext> {
 
-    private static class ScreenCapture {
+    protected static class ScreenCapture {
 
         private long nextCacheRefresh = 0;
         private Framebuffer framebuffer;
@@ -140,7 +137,126 @@ public class ItemsGrid {
 
     }
 
-    public static final int SLOT_SIZE = 18;
+    public static class ItemsGridSlot {
+
+        protected static final float DEFAULT_SLOT_SIZE = 18f;
+        protected static final float LINE_WIDTH = 0.75f;
+
+        public final ItemStack item;
+        public final int slotIndex;
+        public final int itemIndex;
+
+        public Color borderColor = Color.BLACK;
+
+        public boolean borderLeft = false;
+        public boolean borderTop = false;
+        public boolean borderRight = false;
+        public boolean borderBottom = false;
+
+        public ItemsGridSlot(int slotIndex, int itemIndex, ItemStack itemStack) {
+            this.slotIndex = slotIndex;
+            this.itemIndex = itemIndex;
+            this.item = itemStack;
+        }
+
+        public ItemStack getItemStack() {
+            return this.item;
+        }
+
+        public <M extends MouseContext> void beforeDraw(Rectangle4i rect, M mouseContext) {
+            if (mouseContext != null && mouseContext.slotIndex == this.slotIndex) {
+                NEIClientUtils.drawRect(rect.x, rect.y, rect.w, rect.h, HIGHLIGHT_COLOR);
+            }
+        }
+
+        public <M extends MouseContext> void afterDraw(Rectangle4i rect, M mouseContext) {}
+
+        public void drawItem(Rectangle4i rect) {
+            drawItem(getItemStack(), rect);
+        }
+
+        protected void drawItem(ItemStack stack, Rectangle4i rect) {
+
+            if (rect.w != DEFAULT_SLOT_SIZE) {
+                final float panelFactor = (rect.w - 2) / (DEFAULT_SLOT_SIZE - 2);
+                GL11.glTranslatef(rect.x + 1, rect.y + 1, 0);
+                GL11.glScaled(panelFactor, panelFactor, 1);
+
+                GuiContainerManager.drawItem(0, 0, stack, true, "");
+
+                GL11.glScaled(1f / panelFactor, 1f / panelFactor, 1);
+                GL11.glTranslatef(-1 * (rect.x + 1), -1 * (rect.y + 1), 0);
+            } else {
+                GuiContainerManager.drawItem(rect.x + 1, rect.y + 1, stack, true, "");
+            }
+
+        }
+
+        public void drawBorder(Rectangle4i rect) {
+            float halfLineWidth = LINE_WIDTH / 2f;
+
+            if (this.borderLeft) {
+                NEIClientUtils
+                        .drawRect(rect.x - halfLineWidth, rect.y + halfLineWidth, LINE_WIDTH, rect.h, this.borderColor);
+            }
+
+            if (this.borderRight) {
+                NEIClientUtils.drawRect(
+                        rect.x + rect.w - halfLineWidth,
+                        rect.y - halfLineWidth,
+                        LINE_WIDTH,
+                        rect.h,
+                        this.borderColor);
+            }
+
+            if (this.borderTop) {
+                NEIClientUtils
+                        .drawRect(rect.x - halfLineWidth, rect.y - halfLineWidth, rect.w, LINE_WIDTH, this.borderColor);
+            }
+
+            if (this.borderBottom) {
+                NEIClientUtils.drawRect(
+                        rect.x + halfLineWidth,
+                        rect.y + rect.h - halfLineWidth,
+                        rect.w,
+                        LINE_WIDTH,
+                        this.borderColor);
+            }
+        }
+
+    }
+
+    public static class MouseContext {
+
+        public final int slotIndex;
+        public final int columnIndex;
+        public final int rowIndex;
+
+        public MouseContext(int slotIndex, int rowIndex, int columnIndex) {
+            this.slotIndex = slotIndex;
+            this.rowIndex = rowIndex;
+            this.columnIndex = columnIndex;
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(this.rowIndex, this.slotIndex, this.columnIndex);
+        }
+
+        public boolean equals(Object obj) {
+
+            if (obj instanceof MouseContext context) {
+                return this.columnIndex == context.columnIndex && this.rowIndex == context.rowIndex
+                        && this.slotIndex == context.slotIndex;
+            }
+
+            return false;
+        }
+
+    }
+
+    public static int SLOT_SIZE = 18;
+    public static final Color HIGHLIGHT_COLOR = new Color(0xee555555, true);
 
     protected int width;
     protected int height;
@@ -157,7 +273,6 @@ public class ItemsGrid {
 
     protected int rows;
     protected int columns;
-    protected List<Integer> gridMask = null;
 
     protected boolean[] invalidSlotMap;
 
@@ -169,8 +284,8 @@ public class ItemsGrid {
         return realItems;
     }
 
-    public ItemStack getItem(int idx) {
-        return realItems.get(idx);
+    public ItemStack getItem(int itemIndex) {
+        return realItems.get(itemIndex);
     }
 
     public int size() {
@@ -222,7 +337,11 @@ public class ItemsGrid {
     }
 
     public int getLastRowIndex() {
-        return this.columns > 0 ? (int) Math.ceil((float) this.getMask().size() / this.columns) - 1 : 0;
+        final List<T> mask = getMask();
+
+        return this.columns > 0 && !mask.isEmpty()
+                ? (int) Math.ceil((float) (mask.get(mask.size() - 1).slotIndex + 1) / this.columns) - 1
+                : 0;
     }
 
     public void setGridSize(int mleft, int mtop, int w, int h) {
@@ -270,10 +389,9 @@ public class ItemsGrid {
         if (this.screenCapture != null) {
             this.screenCapture.refreshBuffer();
         }
-        this.gridMask = null;
     }
 
-    protected void onItemsChanged() {
+    public void onItemsChanged() {
         onGridChanged();
     }
 
@@ -323,20 +441,37 @@ public class ItemsGrid {
         }
     }
 
-    public Rectangle4i getItemRect(int idx) {
-        final List<Integer> mask = getMask();
-
-        for (int i = 0; i < mask.size(); i++) {
-            if (mask.get(i) != null && idx == mask.get(i)) {
-                return getSlotRect(i);
-            }
+    public T getSlotMouseOver(int mousex, int mousey) {
+        if (!contains(mousex, mousey)) {
+            return null;
         }
 
-        return null;
+        final int overRow = getRowIndex(mousey);
+        final int overColumn = getColumnIndex(mousex);
+        final int slt = columns * overRow + overColumn;
+
+        if (overRow >= rows || overColumn >= columns) {
+            return null;
+        }
+
+        return getSlotBySlotIndex(slt);
     }
 
-    public Rectangle4i getSlotRect(int i) {
-        return getSlotRect(i / columns, i % columns);
+    public T getSlotBySlotIndex(int slotIndex) {
+        return getMask().stream().filter(item -> item.slotIndex == slotIndex).findAny().orElse(null);
+    }
+
+    public T getSlotByItemIndex(int itemIndex) {
+        return getMask().stream().filter(item -> item.itemIndex == itemIndex).findAny().orElse(null);
+    }
+
+    public Rectangle4i getItemRect(int itemIndex) {
+        final T item = getSlotByItemIndex(itemIndex);
+        return item != null ? getSlotRect(item.slotIndex) : null;
+    }
+
+    public Rectangle4i getSlotRect(int slotIndex) {
+        return getSlotRect(slotIndex / columns, slotIndex % columns);
     }
 
     public Rectangle4i getSlotRect(int row, int column) {
@@ -347,67 +482,45 @@ public class ItemsGrid {
                 SLOT_SIZE);
     }
 
+    public int getRowIndex(int mousey) {
+        return (mousey - this.marginTop) / SLOT_SIZE;
+    }
+
+    public int getColumnIndex(int mousex) {
+        return (mousex - this.marginLeft - this.paddingLeft) / SLOT_SIZE;
+    }
+
     public boolean isInvalidSlot(int index) {
         return invalidSlotMap[index];
     }
 
-    protected List<Integer> getMask() {
+    public abstract List<T> getMask();
 
-        if (this.gridMask == null) {
-            this.gridMask = new ArrayList<>();
-            int idx = page * perPage;
-
-            for (int i = 0; i < rows * columns && idx < size(); i++) {
-                this.gridMask.add(isInvalidSlot(i) ? null : idx++);
-            }
+    protected abstract M getMouseContext(int mousex, int mousey);
 
+    protected void beforeDrawItems(int mousex, int mousey, M mouseContext) {
+        for (T item : getMask()) {
+            item.beforeDraw(getSlotRect(item.slotIndex), mouseContext);
         }
-
-        return this.gridMask;
-    }
-
-    protected void beforeDrawItems(int mousex, int mousey, @Nullable ItemPanelSlot focused) {
-
-        final List<Integer> mask = getMask();
-
-        for (int i = 0; i < mask.size(); i++) {
-            if (mask.get(i) != null) {
-                beforeDrawSlot(focused, mask.get(i), getSlotRect(i));
-            }
+        for (T item : getMask()) {
+            item.drawBorder(getSlotRect(item.slotIndex));
         }
     }
 
-    protected void afterDrawItems(int mousex, int mousey, @Nullable ItemPanelSlot focused) {
-        final List<Integer> mask = getMask();
-
-        for (int i = 0; i < mask.size(); i++) {
-            if (mask.get(i) != null) {
-                afterDrawSlot(focused, mask.get(i), getSlotRect(i));
-            }
+    protected void afterDrawItems(int mousex, int mousey, M mouseContext) {
+        for (T item : getMask()) {
+            item.afterDraw(getSlotRect(item.slotIndex), mouseContext);
         }
     }
 
     public void update() {}
 
-    protected void beforeDrawSlot(@Nullable ItemPanelSlot focused, int slotIdx, Rectangle4i rect) {
-        if (focused != null && focused.slotIndex == slotIdx) {
-            drawRect(rect.x, rect.y, rect.w, rect.h, 0xee555555); // highlight
-        }
-    }
+    protected void drawItems() {
 
-    protected void afterDrawSlot(@Nullable ItemPanelSlot focused, int slotIdx, Rectangle4i rect) {}
-
-    private void drawItems() {
-        GuiContainerManager.enableMatrixStackLogging();
-
-        final List<Integer> mask = getMask();
-        for (int i = 0; i < mask.size(); i++) {
-            if (mask.get(i) != null) {
-                drawItem(getSlotRect(i), mask.get(i));
-            }
+        for (T item : getMask()) {
+            item.drawItem(getSlotRect(item.slotIndex));
         }
 
-        GuiContainerManager.disableMatrixStackLogging();
     }
 
     protected int getGridRenderingCacheMode() {
@@ -419,10 +532,10 @@ public class ItemsGrid {
             return;
         }
 
-        final ItemPanelSlot focused = getSlotMouseOver(mousex, mousey);
         final int gridRenderingCacheMode = getGridRenderingCacheMode();
+        final M mouseContext = getMouseContext(mousex, mousey);
 
-        beforeDrawItems(mousex, mousey, focused);
+        beforeDrawItems(mousex, mousey, mouseContext);
 
         if (gridRenderingCacheMode > 0) {
 
@@ -431,15 +544,21 @@ public class ItemsGrid {
             }
 
             if (this.screenCapture.needRefresh(gridRenderingCacheMode)) {
-                this.screenCapture.captureScreen(this::drawItems, gridRenderingCacheMode);
+                this.screenCapture.captureScreen(() -> {
+                    GuiContainerManager.enableMatrixStackLogging();
+                    drawItems();
+                    GuiContainerManager.disableMatrixStackLogging();
+                }, gridRenderingCacheMode);
             }
 
             this.screenCapture.renderCapturedScreen();
         } else {
+            GuiContainerManager.enableMatrixStackLogging();
             drawItems();
+            GuiContainerManager.disableMatrixStackLogging();
         }
 
-        afterDrawItems(mousex, mousey, focused);
+        afterDrawItems(mousex, mousey, mouseContext);
     }
 
     public void setVisible() {
@@ -448,34 +567,6 @@ public class ItemsGrid {
         }
     }
 
-    protected void drawItem(Rectangle4i rect, int idx) {
-        GuiContainerManager.drawItem(rect.x + 1, rect.y + 1, getItem(idx));
-    }
-
-    public ItemPanelSlot getSlotMouseOver(int mousex, int mousey) {
-        if (!contains(mousex, mousey)) {
-            return null;
-        }
-
-        final int overRow = (mousey - marginTop) / SLOT_SIZE;
-        final int overColumn = (mousex - marginLeft - paddingLeft) / SLOT_SIZE;
-        final int slt = columns * overRow + overColumn;
-
-        if (overRow >= rows || overColumn >= columns) {
-            return null;
-        }
-
-        final List<Integer> mask = getMask();
-
-        if (mask.size() > slt && mask.get(slt) != null) {
-            final int idx = mask.get(slt);
-
-            return new ItemPanelSlot(idx, getItem(idx));
-        }
-
-        return null;
-    }
-
     public boolean contains(int px, int py) {
         final Rectangle4i rect = new Rectangle4i(
                 marginLeft + paddingLeft,
@@ -487,10 +578,7 @@ public class ItemsGrid {
             return false;
         }
 
-        final int r = (py - marginTop) / SLOT_SIZE;
-        final int c = (px - marginLeft - paddingLeft) / SLOT_SIZE;
-
-        return !isInvalidSlot(columns * r + c);
+        return !isInvalidSlot(columns * getRowIndex(py) + getColumnIndex(px));
     }
 
     public String getMessageOnEmpty() {

src/main/java/codechicken/nei/ItemsPanelGrid.java

@@ -0,0 +1,239 @@
+package codechicken.nei;
+
+import java.awt.Color;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import net.minecraft.client.gui.inventory.GuiContainer;
+import net.minecraft.item.ItemStack;
+
+import codechicken.lib.vec.Rectangle4i;
+import codechicken.nei.ItemsGrid.ItemsGridSlot;
+import codechicken.nei.guihook.GuiContainerManager;
+
+public class ItemsPanelGrid extends ItemsGrid<ItemsPanelGrid.ItemsPanelGridSlot, ItemsPanelGrid.MouseContext> {
+
+    public static class ItemsPanelGridSlot extends ItemsGridSlot {
+
+        protected static final float LINE_WIDTH = 0.75f;
+
+        public int groupIndex = -1;
+        public String displayName = "";
+        public ItemStack bgItemStack;
+        public int groupSize = 1;
+        public boolean extended = false;
+
+        public Color bgColor = null;
+
+        public ItemsPanelGridSlot(int slotIndex, int itemIndex, ItemStack itemStack) {
+            super(slotIndex, itemIndex, itemStack);
+        }
+
+        public ItemStack getBGItem() {
+            return this.bgItemStack;
+        }
+
+        @Override
+        public void beforeDraw(Rectangle4i rect, MouseContext mouseContext) {
+            super.beforeDraw(rect, mouseContext);
+
+            if (this.bgColor != null) {
+                NEIClientUtils.drawRect(rect.x, rect.y, rect.w, rect.h, this.bgColor);
+            }
+
+        }
+
+        @Override
+        public void drawItem(Rectangle4i rect) {
+
+            if (!this.extended && getBGItem() != null) {
+                GuiContainerManager.drawItems.zLevel -= 10F;
+                super.drawItem(getBGItem(), rect.offset(1, -1));
+                GuiContainerManager.drawItems.zLevel += 10F;
+                super.drawItem(getItemStack(), rect.offset(-2, 2));
+            } else {
+                super.drawItem(rect);
+            }
+        }
+
+    }
+
+    public ArrayList<ItemStack> newItems;
+    public ArrayList<ItemStack> rawItems;
+    protected List<ItemsPanelGridSlot> gridMask;
+
+    protected final Map<Integer, Integer> itemToGroup = new HashMap<>();
+    protected final Map<Integer, List<ItemStack>> groupItems = new HashMap<>();
+    protected boolean forceExpand = false;
+
+    public void setItems(ArrayList<ItemStack> items) {
+        newItems = items;
+    }
+
+    public static void updateScale() {
+        SLOT_SIZE = 2 + (int) Math.ceil(8f * NEIClientConfig.getIntSetting("inventory.itempanelScale") / 100) * 2;
+    }
+
+    @Override
+    public void refresh(GuiContainer gui) {
+
+        if (this.newItems != null) {
+            this.groupItems.clear();
+            this.itemToGroup.clear();
+            this.forceExpand = false;
+
+            if (!CollapsibleItems.isEmpty() && !this.newItems.isEmpty()) {
+                final Set<Integer> groups = new HashSet<>();
+                boolean outsideGroup = false;
+
+                this.realItems = new ArrayList<>();
+                this.rawItems = new ArrayList<>(this.newItems);
+
+                for (ItemStack stack : this.newItems) {
+                    final int groupIndex = CollapsibleItems.getGroupIndex(stack);
+
+                    if (groupIndex == -1) {
+                        this.realItems.add(stack);
+                        outsideGroup = true;
+                    } else {
+
+                        if (!groups.contains(groupIndex) || CollapsibleItems.isExpanded(groupIndex)) {
+                            this.itemToGroup.put(this.realItems.size(), groupIndex);
+                            this.realItems.add(stack);
+                            groups.add(groupIndex);
+                        }
+
+                        this.groupItems.computeIfAbsent(groupIndex, gi -> new ArrayList<>()).add(stack);
+                    }
+                }
+
+                // automatically opens if there are elements from only one group
+                if (!outsideGroup && groups.size() == 1) {
+                    final int groupIndex = groups.iterator().next();
+                    this.realItems = new ArrayList<>(this.newItems);
+                    this.itemToGroup.clear();
+                    this.forceExpand = true;
+
+                    for (int itemIndex = 0; itemIndex < this.realItems.size(); itemIndex++) {
+                        this.itemToGroup.put(itemIndex, groupIndex);
+                    }
+                }
+            } else {
+                this.realItems = new ArrayList<>(this.newItems);
+            }
+
+            this.newItems = null;
+            onItemsChanged();
+        }
+
+        super.refresh(gui);
+    }
+
+    @Override
+    protected void onGridChanged() {
+        this.gridMask = null;
+        super.onGridChanged();
+    }
+
+    @Override
+    public List<ItemsPanelGridSlot> getMask() {
+
+        if (this.gridMask == null) {
+            this.gridMask = new ArrayList<>();
+            int itemIndex = page * perPage;
+
+            for (int slotIndex = 0; slotIndex < rows * columns && itemIndex < size(); slotIndex++) {
+                if (!isInvalidSlot(slotIndex)) {
+                    this.gridMask.add(new ItemsPanelGridSlot(slotIndex, itemIndex, getItem(itemIndex)));
+                    itemIndex++;
+                }
+            }
+
+            calculateGroupBorders(this.gridMask);
+        }
+
+        return this.gridMask;
+    }
+
+    @Override
+    protected MouseContext getMouseContext(int mousex, int mousey) {
+        final ItemsPanelGridSlot hovered = getSlotMouseOver(mousex, mousey);
+
+        if (hovered != null) {
+            return new MouseContext(
+                    hovered.slotIndex,
+                    hovered.slotIndex / this.columns,
+                    hovered.slotIndex % this.columns);
+        }
+
+        return null;
+    }
+
+    protected void calculateGroupBorders(List<ItemsPanelGridSlot> gridMask) {
+
+        if (gridMask.isEmpty() || this.groupItems.isEmpty()) {
+            return;
+        }
+
+        final Color collapsedBGColor = new Color(
+                NEIClientConfig.getSetting("inventory.collapsibleItems.collapsedColor").getHexValue(),
+                true);
+        final Color expandedBGColor = new Color(
+                NEIClientConfig.getSetting("inventory.collapsibleItems.expandedColor").getHexValue(),
+                true);
+        final Color collapsedBorderColor = darkerColor(collapsedBGColor);
+        final Color expandedBorderColor = darkerColor(expandedBGColor);
+        final Map<Integer, Integer> borderGrid = new HashMap<>();
+
+        for (ItemsPanelGridSlot item : gridMask) {
+            borderGrid.put(item.slotIndex, this.itemToGroup.getOrDefault(item.itemIndex, -1));
+        }
+
+        for (ItemsPanelGridSlot item : gridMask) {
+            final int groupIndex = borderGrid.get(item.slotIndex);
+            final List<ItemStack> groupItems = this.groupItems.get(groupIndex);
+
+            if (groupItems == null || groupItems.size() == 1) {
+                continue;
+            }
+
+            int column = item.slotIndex % this.columns;
+            int row = item.slotIndex / this.columns;
+            int prevSlotIndex = (row - 1) * this.columns + column;
+            int nextSlotIndex = (row + 1) * this.columns + column;
+
+            item.groupIndex = groupIndex;
+            item.groupSize = groupItems.size();
+            item.bgItemStack = groupItems.get(groupItems.size() - 1);
+            item.displayName = CollapsibleItems.getDisplayName(groupIndex);
+            item.extended = this.forceExpand || CollapsibleItems.isExpanded(groupIndex);
+            item.bgColor = item.extended ? expandedBGColor : collapsedBGColor;
+
+            item.borderColor = item.extended ? expandedBorderColor : collapsedBorderColor;
+            item.borderLeft = column == 0 || borderGrid.getOrDefault(item.slotIndex - 1, -1) != groupIndex;
+            item.borderRight = column + 1 == this.columns
+                    || borderGrid.getOrDefault(item.slotIndex + 1, -1) != groupIndex;
+            item.borderTop = borderGrid.getOrDefault(prevSlotIndex, -1) != groupIndex;
+            item.borderBottom = borderGrid.getOrDefault(nextSlotIndex, -1) != groupIndex;
+        }
+
+    }
+
+    private static Color darkerColor(Color color) {
+        return new Color(
+                color.getRed(),
+                color.getGreen(),
+                color.getBlue(),
+                Math.min((int) (color.getAlpha() + (255f / 5) * 2), 255));
+    }
+
+    @Override
+    public String getMessageOnEmpty() {
+        return ItemList.loadFinished ? null : NEIClientUtils.translate("itempanel.loading");
+    }
+
+}

src/main/java/codechicken/nei/ItemsTooltipLineHandler.java

@@ -3,15 +3,19 @@ package codechicken.nei;
 import static codechicken.lib.gui.GuiDraw.fontRenderer;
 
 import java.awt.Dimension;
+import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 
 import net.minecraft.client.renderer.RenderHelper;
 import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.util.EnumChatFormatting;
 
 import org.lwjgl.opengl.GL11;
 import org.lwjgl.opengl.GL12;
 
+import codechicken.lib.gui.GuiDraw;
 import codechicken.lib.gui.GuiDraw.ITooltipLineHandler;
 import codechicken.nei.guihook.GuiContainerManager;
 import codechicken.nei.recipe.StackInfo;
@@ -19,12 +23,14 @@ import codechicken.nei.util.ReadableNumberConverter;
 
 public class ItemsTooltipLineHandler implements ITooltipLineHandler {
 
+    protected static final int SLOT_SIZE = 18;
     protected static final int MAX_COLUMNS = 11;
     protected static final int MARGIN_TOP = 2;
 
     protected String label;
     protected EnumChatFormatting labelColor = EnumChatFormatting.GRAY;
     protected List<ItemStack> items;
+    protected int activeStackIndex = -1;
     protected Dimension size = new Dimension();
     protected boolean saveStackSize = false;
     protected int columns = 0;
@@ -46,9 +52,8 @@ public class ItemsTooltipLineHandler implements ITooltipLineHandler {
             this.columns = Math.min(MAX_COLUMNS, this.length);
             this.rows = Math.min(maxRows, (int) Math.ceil((float) this.length / this.columns));
 
-            this.size.width = Math
-                    .max(this.columns * ItemsGrid.SLOT_SIZE, fontRenderer.getStringWidth(this.label) + 15);
-            this.size.height = this.rows * ItemsGrid.SLOT_SIZE + fontRenderer.FONT_HEIGHT + 2 + MARGIN_TOP;
+            this.size.width = Math.max(this.columns * SLOT_SIZE, fontRenderer.getStringWidth(this.label) + 15);
+            this.size.height = this.rows * SLOT_SIZE + fontRenderer.FONT_HEIGHT + 2 + MARGIN_TOP;
 
             this.count = Math.min(
                     this.length,
@@ -58,12 +63,22 @@ public class ItemsTooltipLineHandler implements ITooltipLineHandler {
 
             if (this.items.size() > this.count) {
                 String text = "+" + (this.items.size() - this.count);
-                this.count -= (int) Math.ceil((float) (fontRenderer.getStringWidth(text) - 2) / ItemsGrid.SLOT_SIZE);
+                this.count -= (int) Math.ceil((float) (fontRenderer.getStringWidth(text) - 2) / SLOT_SIZE);
             }
         }
 
     }
 
+    public void setActiveStack(ItemStack activeStack) {
+        final ItemStack realStack = items.stream().filter(stack -> StackInfo.equalItemAndNBT(stack, activeStack, true))
+                .findFirst().orElse(null);
+        this.activeStackIndex = items.indexOf(realStack);
+    }
+
+    public ItemStack getActiveStack() {
+        return this.activeStackIndex == -1 ? null : this.items.get(this.activeStackIndex);
+    }
+
     public boolean isEmpty() {
         return this.items.isEmpty();
     }
@@ -93,26 +108,38 @@ public class ItemsTooltipLineHandler implements ITooltipLineHandler {
         GL11.glTranslatef(x, y + fontRenderer.FONT_HEIGHT + 2, 0);
         GL11.glEnable(GL12.GL_RESCALE_NORMAL);
 
-        for (int i = 0; i < this.count; i++) {
-            ItemStack drawStack = this.items.get(i);
-            int col = i % this.columns;
-            int row = i / this.columns;
+        int indexShift = 0;
+
+        if (this.activeStackIndex != -1) {
+            indexShift = Math.max(0, Math.min(this.items.size() - this.count, this.activeStackIndex - this.count + 2));
+        }
+
+        for (int index = 0; index < this.count && index + indexShift < this.items.size(); index++) {
+            ItemStack drawStack = this.items.get(index + indexShift);
+            int col = index % this.columns;
+            int row = index / this.columns;
 
             String stackSize = !this.saveStackSize || drawStack.stackSize == 0 ? ""
                     : ReadableNumberConverter.INSTANCE.toWideReadableForm(drawStack.stackSize);
 
-            drawItem(col * ItemsGrid.SLOT_SIZE, row * ItemsGrid.SLOT_SIZE, drawStack, stackSize);
+            if (this.activeStackIndex == index + indexShift) {
+                NEIClientUtils.gl2DRenderContext(
+                        () -> GuiDraw.drawRect(col * SLOT_SIZE - 1, row * SLOT_SIZE - 1, 18, 18, 0x66555555));
+            }
+
+            drawItem(col * SLOT_SIZE, row * SLOT_SIZE, drawStack, stackSize);
         }
 
         if (this.count < this.items.size()) {
-            String text = "+" + (this.items.size() - this.count);
-
-            fontRenderer.drawStringWithShadow(
-                    text,
-                    MAX_COLUMNS * ItemsGrid.SLOT_SIZE - fontRenderer.getStringWidth(text) - 2,
-                    (this.rows - 1) * ItemsGrid.SLOT_SIZE + (ItemsGrid.SLOT_SIZE - fontRenderer.FONT_HEIGHT) / 2,
-                    0xee555555);
+            final String text = "+" + (this.items.size() - this.count);
 
+            NEIClientUtils.gl2DRenderContext(() -> {
+                fontRenderer.drawStringWithShadow(
+                        text,
+                        MAX_COLUMNS * SLOT_SIZE - fontRenderer.getStringWidth(text) - 2,
+                        (this.rows - 1) * SLOT_SIZE + (SLOT_SIZE - fontRenderer.FONT_HEIGHT) / 2,
+                        0xee555555);
+            });
         }
 
         GL11.glPopMatrix();
@@ -124,12 +151,19 @@ public class ItemsTooltipLineHandler implements ITooltipLineHandler {
     }
 
     private List<ItemStack> groupingItemStacks(List<ItemStack> items) {
-        final List<ItemStack> result = ItemStackAmount.of(items).values();
+        final List<ItemStack> result = new ArrayList<>();
 
-        for (ItemStack stack : result) {
-            if (StackInfo.itemStackToNBT(stack).hasKey("gtFluidName")) {
+        for (Map.Entry<NBTTagCompound, Long> entry : ItemStackAmount.of(items).entrySet()) {
+            final ItemStack stack = StackInfo.loadFromNBT(entry.getKey(), Math.max(0, entry.getValue()));
+
+            if (entry.getKey().hasKey("gtFluidName")) {
                 stack.stackSize = 0;
             }
+            result.add(stack);
+        }
+
+        if (result.isEmpty()) {
+            result.addAll(items);
         }
 
         return result;

src/main/java/codechicken/nei/LayoutManager.java

@@ -65,6 +65,7 @@ import codechicken.nei.guihook.IContainerDrawHandler;
 import codechicken.nei.guihook.IContainerInputHandler;
 import codechicken.nei.guihook.IContainerObjectHandler;
 import codechicken.nei.guihook.IContainerTooltipHandler;
+import codechicken.nei.recipe.AutoCraftingManager;
 import codechicken.nei.recipe.GuiRecipeTab;
 import codechicken.nei.recipe.RecipeCatalysts;
 
@@ -829,7 +830,7 @@ public class LayoutManager implements IContainerInputHandler, IContainerTooltipH
 
     @Override
     public boolean shouldShowTooltip(GuiContainer gui) {
-        return itemPanel.draggedStack == null && !bookmarkPanel.inEditingState();
+        return itemPanel.draggedStack == null && !bookmarkPanel.inEditingState() && !AutoCraftingManager.processing();
     }
 
     /** Note: this method isn't actually used by this mod, but NEI add-ons might need it. */
@@ -857,13 +858,11 @@ public class LayoutManager implements IContainerInputHandler, IContainerTooltipH
             ItemStack item = slot.getStack();
 
             if (item == null ? !getSearchExpression().equals("") : !searchField.getFilter().matches(item)) {
-                GL11.glDisable(GL11.GL_LIGHTING);
-                GL11.glDisable(GL11.GL_DEPTH_TEST);
-                GL11.glTranslatef(0, 0, 150);
-                drawRect(slot.xDisplayPosition, slot.yDisplayPosition, 16, 16, 0x80000000);
-                GL11.glTranslatef(0, 0, -150);
-                GL11.glEnable(GL11.GL_LIGHTING);
-                GL11.glEnable(GL11.GL_DEPTH_TEST);
+                NEIClientUtils.gl2DRenderContext(() -> {
+                    GL11.glTranslatef(0, 0, 150);
+                    drawRect(slot.xDisplayPosition, slot.yDisplayPosition, 16, 16, 0x80000000);
+                    GL11.glTranslatef(0, 0, -150);
+                });
             }
         }
 
@@ -925,11 +924,7 @@ public class LayoutManager implements IContainerInputHandler, IContainerTooltipH
     public static void drawItemPresenceOverlay(int slotX, int slotY, boolean isPresent, boolean slotHighlight) {
 
         if (slotHighlight) {
-            GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS);
-            GL11.glDisable(GL11.GL_LIGHTING);
-            GL11.glDisable(GL11.GL_DEPTH_TEST);
-            drawRect(slotX, slotY, 16, 16, isPresent ? 0x8000AA00 : 0x80AA0000);
-            GL11.glPopAttrib();
+            NEIClientUtils.gl2DRenderContext(() -> drawRect(slotX, slotY, 16, 16, isPresent ? 0x8000AA00 : 0x80AA0000));
         } else {
             Image icon = itemPresenceOverlays[isPresent ? 1 : 0];
             drawIcon(slotX + 16 - icon.width, slotY + 16 - icon.height, icon);

src/main/java/codechicken/nei/NEIClientConfig.java

@@ -146,6 +146,7 @@ public class NEIClientConfig {
         tag.getTag("inventory.widgetsenabled").getBooleanValue(true);
         API.addOption(new OptionToggleButton("inventory.widgetsenabled"));
 
+        tag.getTag("inventory.autocrafting").getBooleanValue(false);
         tag.getTag("inventory.hidden").getBooleanValue(false);
         tag.getTag("inventory.cheatmode").getIntValue(2);
         tag.getTag("inventory.lockmode").setComment(
@@ -179,6 +180,7 @@ public class NEIClientConfig {
             @Override
             public boolean onClick(int button) {
                 super.onClick(button);
+                ItemPanels.bookmarkPanel.save();
                 ItemPanels.bookmarkPanel.load();
                 return true;
             }
@@ -192,11 +194,19 @@ public class NEIClientConfig {
                 .getIntValue(1);
         API.addOption(new OptionCycled("inventory.bookmarks.recipeTooltipsMode", 4, true));
 
-        tag.getTag("inventory.bookmarks.showRecipeMarker").setComment("Show Recipe Marker").getBooleanValue(false);
-        API.addOption(new OptionToggleButton("inventory.bookmarks.showRecipeMarker", true));
+        tag.getTag("inventory.bookmarks.showRecipeMarkerMode").setComment("Show Recipe Marker").getIntValue(0);
+        API.addOption(new OptionCycled("inventory.bookmarks.showRecipeMarkerMode", 3, true));
 
-        tag.getTag("inventory.bookmarks.craftingChainDir").getIntValue(1);
-        API.addOption(new OptionCycled("inventory.bookmarks.craftingChainDir", 2, true));
+        tag.getTag("inventory.bookmarks.recipeMarkerColor").setComment("Color of the icon marker")
+                .getHexValue(0xADADAD);
+        API.addOption(
+                new OptionIntegerField(
+                        "inventory.bookmarks.recipeMarkerColor",
+                        0,
+                        OptionIntegerField.UNSIGNED_INT_MAX));
+
+        tag.getTag("inventory.bookmarks.recipeChainDir").getIntValue(1);
+        API.addOption(new OptionCycled("inventory.bookmarks.recipeChainDir", 2, true));
 
         tag.getTag("inventory.bookmarks.ignorePotionOverlap").setComment("Ignore overlap with potion effect HUD")
                 .getBooleanValue(false);
@@ -234,15 +244,15 @@ public class NEIClientConfig {
                 .setComment("Require holding shift to move items when overlaying recipe").getBooleanValue(true);
         API.addOption(new OptionToggleButton("inventory.guirecipe.shiftOverlayRecipe", true));
 
+        tag.getTag("inventory.guirecipe.profile").getBooleanValue(false);
+        API.addOption(new OptionToggleButton("inventory.guirecipe.profile", true));
+
         tag.getTag("inventory.subsets.enabled").setComment("Enable/disable Subsets Dropdown").getBooleanValue(true);
         API.addOption(new OptionToggleButton("inventory.subsets.enabled", true));
 
         tag.getTag("inventory.subsets.widgetPosition").setComment("Subsets Widget Position").getBooleanValue(true);
         API.addOption(new OptionToggleButton("inventory.subsets.widgetPosition", true));
 
-        tag.getTag("inventory.guirecipe.profile").getBooleanValue(false);
-        API.addOption(new OptionToggleButton("inventory.guirecipe.profile", true));
-
         tag.getTag("inventory.history.enabled").setComment("Enable/disable History Panel").getBooleanValue(true);
         API.addOption(new OptionToggleButton("inventory.history.enabled", true));
 
@@ -313,6 +323,8 @@ public class NEIClientConfig {
         tag.getTag("inventory.itemzoom.nameColor").getHexValue(0xFFFFFFFF);
         API.addOption(new OptionIntegerField("inventory.itemzoom.nameColor", 0, OptionIntegerField.UNSIGNED_INT_MAX));
 
+        setFavoriteDefaults(tag);
+
         tag.getTag("inventory.itemIDs").getIntValue(1);
         API.addOption(new OptionCycled("inventory.itemIDs", 3, true));
 
@@ -338,6 +350,16 @@ public class NEIClientConfig {
         tag.getTag("world.overlays.lock").getBooleanValue(true);
         API.addOption(new OptionToggleButton("world.overlays.lock", true));
 
+        tag.getTag("inventory.itempanelScale").getIntValue(100);
+        ItemsPanelGrid.updateScale();
+        API.addOption(new OptionIntegerField("inventory.itempanelScale", 1, 1000) {
+
+            @Override
+            public void onTextChange(String text) {
+                ItemsPanelGrid.updateScale();
+            }
+        });
+
         tag.getTag("inventory.disableMouseScrollTransfer").getBooleanValue(false);
         API.addOption(new OptionToggleButton("inventory.disableMouseScrollTransfer", true));
 
@@ -350,8 +372,6 @@ public class NEIClientConfig {
             }
         });
 
-        tag.getTag("inventory.gridRenderingCacheFPS").getIntValue(8);
-
         tag.getTag("inventory.gridRenderingCacheMode").getIntValue(0);
         API.addOption(new OptionCycled("inventory.gridRenderingCacheMode", 3, true));
 
@@ -671,6 +691,36 @@ public class NEIClientConfig {
 
     }
 
+    private static void setFavoriteDefaults(ConfigTagParent tag) {
+
+        tag.getTag("inventory.favorites.enabled").getBooleanValue(true);
+        API.addOption(new OptionToggleButton("inventory.favorites.enabled", true));
+
+        tag.getTag("inventory.favorites.worldSpecific").setComment("Global or world specific favorites")
+                .getBooleanValue(false);
+        API.addOption(new OptionToggleButton("inventory.favorites.worldSpecific", true) {
+
+            @Override
+            public boolean onClick(int button) {
+                super.onClick(button);
+                FavoriteRecipes.save();
+                FavoriteRecipes.load();
+                return true;
+            }
+        });
+
+        tag.getTag("inventory.favorites.showRecipeTooltipInPanel").setComment("Show recipe tooltips in Items Panel")
+                .getBooleanValue(true);
+        API.addOption(new OptionToggleButton("inventory.favorites.showRecipeTooltipInPanel", true));
+
+        tag.getTag("inventory.favorites.showRecipeTooltipInGui").setComment("Show recipe tooltips in Recipe Gui")
+                .getBooleanValue(false);
+        API.addOption(new OptionToggleButton("inventory.favorites.showRecipeTooltipInGui", true));
+
+        tag.getTag("inventory.favorites.depth").setComment("Bookmark creation depth").getIntValue(3);
+        API.addOption(new OptionIntegerField("inventory.favorites.depth", 0, 100));
+    }
+
     private static void setDefaultKeyBindings() {
         API.addHashBind("gui.recipe", Keyboard.KEY_R);
         API.addHashBind("gui.usage", Keyboard.KEY_U);
@@ -685,22 +735,15 @@ public class NEIClientConfig {
         API.addKeyBind("gui.next_recipe", Keyboard.KEY_RIGHT);
         API.addHashBind("gui.hide", Keyboard.KEY_O);
         API.addHashBind("gui.search", Keyboard.KEY_F);
-        API.addHashBind("gui.bookmark", Keyboard.KEY_A);
-        API.addHashBind("gui.bookmark_recipe", Keyboard.KEY_A + NEIClientUtils.SHIFT_HASH);
+        API.addKeyBind("gui.bookmark", Keyboard.KEY_A);
         API.addHashBind("gui.remove_recipe", Keyboard.KEY_A + NEIClientUtils.SHIFT_HASH);
-        API.addHashBind("gui.bookmark_count", Keyboard.KEY_A + NEIClientUtils.CTRL_HASH);
-        API.addHashBind(
-                "gui.bookmark_recipe_count",
-                Keyboard.KEY_A + NEIClientUtils.SHIFT_HASH + NEIClientUtils.CTRL_HASH);
-        API.addHashBind("gui.bookmark_pull_items", Keyboard.KEY_V);
-        API.addHashBind("gui.bookmark_pull_items_ingredients", Keyboard.KEY_V + NEIClientUtils.SHIFT_HASH);
-        API.addHashBind("gui.overlay", Keyboard.KEY_S);
-        API.addHashBind("gui.overlay_use", Keyboard.KEY_S + NEIClientUtils.SHIFT_HASH);
-        API.addHashBind("gui.overlay_hide", Keyboard.KEY_S + NEIClientUtils.CTRL_HASH);
+        API.addKeyBind("gui.bookmark_pull_items", Keyboard.KEY_V);
+        API.addKeyBind("gui.overlay", Keyboard.KEY_S);
+        API.addHashBind("gui.craft", Keyboard.KEY_C + NEIClientUtils.SHIFT_HASH);
         API.addHashBind("gui.hide_bookmarks", Keyboard.KEY_B);
         API.addKeyBind("gui.getprevioussearch", Keyboard.KEY_UP);
         API.addKeyBind("gui.getnextsearch", Keyboard.KEY_DOWN);
-        API.addHashBind("gui.next_tooltip", Keyboard.KEY_Z);
+        API.addKeyBind("gui.next_tooltip", Keyboard.KEY_Z);
 
         API.addHashBind("gui.itemzoom_toggle", Keyboard.KEY_Z + NEIClientUtils.SHIFT_HASH);
         API.addHashBind("gui.itemzoom_hold", 0);
@@ -779,10 +822,11 @@ public class NEIClientConfig {
 
     public static void unloadWorld() {
         if (ItemPanels.bookmarkPanel != null) {
-            ItemPanels.bookmarkPanel.saveBookmarks();
+            ItemPanels.bookmarkPanel.save();
         }
 
         SubsetWidget.saveHidden();
+        FavoriteRecipes.save();
         CollapsibleItems.saveStates();
 
         if (world != null) {
@@ -837,6 +881,7 @@ public class NEIClientConfig {
     }
 
     public static void bootNEI(World world) {
+
         if (!mainNEIConfigLoaded) {
             // main NEI config loading
             ItemInfo.load(world);
@@ -868,10 +913,10 @@ public class NEIClientConfig {
                     });
 
                     RecipeCatalysts.loadCatalystInfo();
-                    ItemPanels.bookmarkPanel.load();
                     SubsetWidget.loadHidden();
                     CollapsibleItems.load();
                     ItemSorter.loadConfig();
+                    FavoriteRecipes.load();
 
                     // Set pluginNEIConfigLoaded here before posting the NEIConfigsLoadedEvent. This used to be the
                     // other way around, but apparently if your modpack includes 800 mods the event poster might not
@@ -885,10 +930,10 @@ public class NEIClientConfig {
                 }
             }.start();
         } else {
-            ItemPanels.bookmarkPanel.load();
             SubsetWidget.loadHidden();
             ItemList.loadItems.restart();
         }
+
     }
 
     public static boolean isWorldSpecific(String setting) {
@@ -909,6 +954,14 @@ public class NEIClientConfig {
         return !enabledOverride || getBooleanSetting("inventory.hidden");
     }
 
+    public static boolean autocraftingEnabled() {
+        return getBooleanSetting("inventory.autocrafting");
+    }
+
+    public static boolean favoritesEnabled() {
+        return getBooleanSetting("inventory.favorites.enabled");
+    }
+
     public static boolean isBookmarkPanelHidden() {
         return !getBooleanSetting("inventory.bookmarks.enabled");
     }
@@ -921,8 +974,16 @@ public class NEIClientConfig {
         return getIntSetting("inventory.bookmarks.recipeTooltipsMode");
     }
 
-    public static boolean showRecipeMarker() {
-        return getBooleanSetting("inventory.bookmarks.showRecipeMarker");
+    public static boolean showRecipeTooltipInPanel() {
+        return getBooleanSetting("inventory.favorites.showRecipeTooltipInPanel");
+    }
+
+    public static boolean showRecipeTooltipInGui() {
+        return getBooleanSetting("inventory.favorites.showRecipeTooltipInGui");
+    }
+
+    public static int showRecipeMarkerMode() {
+        return getIntSetting("inventory.bookmarks.showRecipeMarkerMode");
     }
 
     public static boolean showItemQuantityWidget() {
@@ -973,8 +1034,8 @@ public class NEIClientConfig {
         return getBooleanSetting("inventory.bookmarks.ignorePotionOverlap");
     }
 
-    public static int craftingChainDir() {
-        return getIntSetting("inventory.bookmarks.craftingChainDir");
+    public static int recipeChainDir() {
+        return getIntSetting("inventory.bookmarks.recipeChainDir");
     }
 
     public static boolean optimizeGuiOverlapComputation() {

src/main/java/codechicken/nei/NEIClientUtils.java

@@ -8,6 +8,7 @@ import static codechicken.nei.NEIClientConfig.hasSMPCounterPart;
 import static codechicken.nei.NEIClientConfig.invCreativeMode;
 import static codechicken.nei.NEIClientConfig.world;
 
+import java.awt.Color;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.math.BigInteger;
@@ -32,6 +33,8 @@ import net.minecraft.client.Minecraft;
 import net.minecraft.client.audio.PositionedSoundRecord;
 import net.minecraft.client.gui.FontRenderer;
 import net.minecraft.client.gui.inventory.GuiContainer;
+import net.minecraft.client.renderer.OpenGlHelper;
+import net.minecraft.client.renderer.Tessellator;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.inventory.Container;
 import net.minecraft.inventory.Slot;
@@ -41,12 +44,15 @@ import net.minecraft.util.IChatComponent;
 import net.minecraft.util.ResourceLocation;
 
 import org.lwjgl.input.Keyboard;
+import org.lwjgl.opengl.GL11;
 
 import com.google.common.collect.Iterables;
 
+import codechicken.lib.gui.GuiDraw;
 import codechicken.lib.inventory.InventoryRange;
 import codechicken.lib.inventory.InventoryUtils;
 import codechicken.lib.util.LangProxy;
+import codechicken.lib.vec.Rectangle4i;
 import codechicken.nei.api.GuiInfo;
 import codechicken.nei.api.IInfiniteItemHandler;
 import codechicken.nei.api.ItemInfo;
@@ -55,6 +61,36 @@ import codechicken.nei.util.NEIMouseUtils;
 
 public class NEIClientUtils extends NEIServerUtils {
 
+    public static class Alignment {
+
+        public final int x, y;
+
+        public static final Alignment TopLeft = new Alignment(-1, -1);
+        public static final Alignment TopCenter = new Alignment(0, -1);
+        public static final Alignment TopRight = new Alignment(1, -1);
+        public static final Alignment CenterLeft = new Alignment(-1, 0);
+        public static final Alignment Center = new Alignment(0, 0);
+        public static final Alignment CenterRight = new Alignment(1, 0);
+        public static final Alignment BottomLeft = new Alignment(-1, 1);
+        public static final Alignment BottomCenter = new Alignment(0, 1);
+        public static final Alignment BottomRight = new Alignment(1, 1);
+
+        public Alignment(int x, int y) {
+            this.x = x;
+            this.y = y;
+        }
+
+        public float getX(float parentWidth, float childWidth) {
+            final float x = (this.x + 1) / 2f;
+            return parentWidth * x - childWidth * x;
+        }
+
+        public float getY(float parentHeight, float childHeight) {
+            final float y = (this.y + 1) / 2f;
+            return parentHeight * y - childHeight * y;
+        }
+    }
+
     public static LangProxy lang = new LangProxy("nei");
 
     /** Formats a number with group separator and at most 2 fraction digits. */
@@ -486,4 +522,66 @@ public class NEIClientUtils extends NEIServerUtils {
             reportErrorBuffered(e, buffer, "null");
         }
     }
+
+    public static void drawRect(double left, double top, double width, double height, Color color) {
+        Tessellator tessellator = Tessellator.instance;
+
+        GL11.glEnable(GL11.GL_BLEND);
+        GL11.glDisable(GL11.GL_TEXTURE_2D);
+        OpenGlHelper.glBlendFunc(770, 771, 1, 0);
+        GL11.glColor4f(color.getRed() / 255f, color.getGreen() / 255f, color.getBlue() / 255f, color.getAlpha() / 255f);
+        tessellator.startDrawingQuads();
+        tessellator.addVertex(left, top + height, 0.0D);
+        tessellator.addVertex(left + width, top + height, 0.0D);
+        tessellator.addVertex(left + width, top, 0.0D);
+        tessellator.addVertex(left, top, 0.0D);
+        tessellator.draw();
+        GL11.glEnable(GL11.GL_TEXTURE_2D);
+        GL11.glDisable(GL11.GL_BLEND);
+    }
+
+    public static void drawNEIOverlayText(String text, Rectangle4i rect, float scale, int color, boolean shadow,
+            Alignment alignment) {
+        final float screenScale = mc().currentScreen.width * 1f / mc().displayWidth;
+        final double smallTextScale = Math
+                .max(screenScale, (Math.max(scale, 1f) * (GuiDraw.fontRenderer.getUnicodeFlag() ? 3F / 4F : 1F / 2F)));
+
+        NEIClientUtils.gl2DRenderContext(() -> {
+            final int width = GuiDraw.fontRenderer.getStringWidth(text);
+            final float partW = rect.w / 2f;
+            final float partH = rect.h / 2f;
+            final double offsetX = Math
+                    .ceil(rect.x + partW + partW * alignment.x - (width / 2f * (alignment.x + 1)) * smallTextScale);
+            final double offsetY = Math.ceil(
+                    rect.y + partH
+                            + partH * alignment.y
+                            - (GuiDraw.fontRenderer.FONT_HEIGHT / 2f * (alignment.y + 1)) * smallTextScale);
+
+            GL11.glTranslated(offsetX, offsetY, 0);
+            GL11.glScaled(smallTextScale, smallTextScale, 1);
+            GuiDraw.fontRenderer.drawString(text, 0, 0, color, shadow);
+            GL11.glScaled(1 / smallTextScale, 1 / smallTextScale, 1);
+            GL11.glTranslated(-1 * offsetX, -1 * offsetY, 0);
+        });
+    }
+
+    public static void drawNEIOverlayText(String text, int x, int y) {
+        drawNEIOverlayText(text, new Rectangle4i(x, y, 16, 16), 0.5f, 0xFDD835, false, Alignment.TopLeft);
+    }
+
+    public static void gl2DRenderContext(Runnable callback) {
+        boolean isLighting = GL11.glGetBoolean(GL11.GL_LIGHTING);
+        boolean isDepthTest = GL11.glGetBoolean(GL11.GL_DEPTH_TEST);
+        boolean isAlphaTest = GL11.glGetBoolean(GL11.GL_ALPHA_TEST);
+        GL11.glDisable(GL11.GL_LIGHTING);
+        GL11.glEnable(GL11.GL_ALPHA_TEST);
+        GL11.glDisable(GL11.GL_DEPTH_TEST);
+
+        callback.run();
+
+        if (isLighting) GL11.glEnable(GL11.GL_LIGHTING);
+        if (isDepthTest) GL11.glEnable(GL11.GL_DEPTH_TEST);
+        if (!isAlphaTest) GL11.glDisable(GL11.GL_ALPHA_TEST);
+    }
+
 }

src/main/java/codechicken/nei/PanelWidget.java

@@ -1,13 +1,14 @@
 package codechicken.nei;
 
+import java.awt.Point;
 import java.util.ArrayList;
-import java.util.List;
 
 import net.minecraft.client.gui.inventory.GuiContainer;
 import net.minecraft.item.ItemStack;
 
+import codechicken.lib.gui.GuiDraw;
 import codechicken.lib.vec.Rectangle4i;
-import codechicken.nei.ItemPanel.ItemPanelSlot;
+import codechicken.nei.ItemsGrid.ItemsGridSlot;
 import codechicken.nei.api.GuiInfo;
 import codechicken.nei.api.INEIGuiHandler;
 import codechicken.nei.guihook.GuiContainerManager;
@@ -16,7 +17,8 @@ import codechicken.nei.recipe.GuiCraftingRecipe;
 import codechicken.nei.recipe.GuiRecipe;
 import codechicken.nei.recipe.GuiUsageRecipe;
 
-public abstract class PanelWidget extends Widget implements IContainerTooltipHandler {
+public abstract class PanelWidget<T extends ItemsGrid<? extends ItemsGridSlot, ? extends ItemsGrid.MouseContext>>
+        extends Widget implements IContainerTooltipHandler {
 
     protected static final int PADDING = 2;
 
@@ -27,20 +29,20 @@ public abstract class PanelWidget extends Widget implements IContainerTooltipHan
     public Button pageNext;
     public Label pageLabel;
 
-    protected ItemsGrid grid;
+    protected T grid;
 
     public ArrayList<ItemStack> getItems() {
-        return grid.getItems();
+        return this.grid.getItems();
     }
 
-    public ItemsGrid getGrid() {
-        return grid;
+    public T getGrid() {
+        return this.grid;
     }
 
     public void init() {
         pageLabel = new Label("0/0", true);
 
-        pagePrev = new Button("Prev") {
+        pagePrev = new Button("<") {
 
             public boolean onButtonPress(boolean rightclick) {
 
@@ -54,11 +56,12 @@ public abstract class PanelWidget extends Widget implements IContainerTooltipHan
             }
 
             @Override
-            public String getRenderLabel() {
-                return "<";
+            public void draw(int mousex, int mousey) {
+                this.state = grid.getNumPages() <= 1 ? 2 : 0;
+                super.draw(mousex, mousey);
             }
         };
-        pageNext = new Button("Next") {
+        pageNext = new Button(">") {
 
             public boolean onButtonPress(boolean rightclick) {
 
@@ -72,8 +75,9 @@ public abstract class PanelWidget extends Widget implements IContainerTooltipHan
             }
 
             @Override
-            public String getRenderLabel() {
-                return ">";
+            public void draw(int mousex, int mousey) {
+                this.state = grid.getNumPages() <= 1 ? 2 : 0;
+                super.draw(mousex, mousey);
             }
         };
     }
@@ -97,9 +101,6 @@ public abstract class PanelWidget extends Widget implements IContainerTooltipHan
                 getWidth(gui),
                 getHeight(gui));
 
-        final int minWidth = 5 * ItemsGrid.SLOT_SIZE;
-        final int minHeight = 9 * ItemsGrid.SLOT_SIZE;
-
         final String settingName = getPositioningSettingName();
         int paddingLeft = (int) Math
                 .ceil(margin.w * NEIClientConfig.getSetting(settingName + ".left").getIntValue() / 100000.0);
@@ -110,12 +111,12 @@ public abstract class PanelWidget extends Widget implements IContainerTooltipHan
         int paddingBottom = (int) Math
                 .ceil(margin.h * NEIClientConfig.getSetting(settingName + ".bottom").getIntValue() / 100000.0);
 
-        int deltaHeight = Math.min(0, margin.h - paddingTop - paddingBottom - minHeight) / 2;
+        int deltaHeight = Math.min(0, margin.h - paddingTop - paddingBottom - ItemsGrid.SLOT_SIZE) / 2;
 
-        paddingLeft = Math.min(paddingLeft, Math.max(0, margin.w - paddingRight - minWidth));
-        paddingRight = Math.min(paddingRight, Math.max(0, margin.w - paddingLeft - minWidth));
-        paddingTop = Math.min(margin.h - minHeight, Math.max(0, paddingTop + deltaHeight));
-        paddingBottom = Math.min(margin.h - paddingTop - minHeight, Math.max(0, paddingBottom - deltaHeight));
+        paddingLeft = Math.min(paddingLeft, Math.max(0, margin.w - paddingRight - ItemsGrid.SLOT_SIZE));
+        paddingRight = Math.min(paddingRight, Math.max(0, margin.w - paddingLeft - ItemsGrid.SLOT_SIZE));
+        paddingTop = Math.min(margin.h - ItemsGrid.SLOT_SIZE, Math.max(0, paddingTop + deltaHeight));
+        paddingBottom = Math.min(margin.h - paddingTop - ItemsGrid.SLOT_SIZE, Math.max(0, paddingBottom - deltaHeight));
 
         x = margin.x + paddingLeft;
         y = margin.y + paddingTop;
@@ -125,8 +126,8 @@ public abstract class PanelWidget extends Widget implements IContainerTooltipHan
         final int header = resizeHeader(gui);
         final int footer = resizeFooter(gui);
 
-        grid.setGridSize(x, y + header, w, h - header - footer);
-        grid.refresh(gui);
+        this.grid.setGridSize(x, y + header, w, h - header - footer);
+        this.grid.refresh(gui);
     }
 
     protected int resizeHeader(GuiContainer gui) {
@@ -171,22 +172,22 @@ public abstract class PanelWidget extends Widget implements IContainerTooltipHan
     protected abstract int resizeFooter(GuiContainer gui);
 
     public void setVisible() {
-        if (grid.getPerPage() > 0 && !grid.isEmpty()) {
+        if (this.grid.getPerPage() > 0 && !this.grid.isEmpty()) {
             LayoutManager.addWidget(pagePrev);
             LayoutManager.addWidget(pageNext);
             LayoutManager.addWidget(pageLabel);
-            grid.setVisible();
+            this.grid.setVisible();
         }
     }
 
     @Override
     public void update() {
-        grid.update();
+        this.grid.update();
     }
 
     @Override
     public void draw(int mousex, int mousey) {
-        grid.draw(mousex, mousey);
+        this.grid.draw(mousex, mousey);
     }
 
     @Override
@@ -200,37 +201,33 @@ public abstract class PanelWidget extends Widget implements IContainerTooltipHan
 
     @Override
     public void mouseDragged(int mousex, int mousey, int button, long heldTime) {
-        if (mouseDownSlot >= grid.realItems.size()) {
+        if (this.grid.getSlotBySlotIndex(mouseDownSlot) == null) {
             mouseDownSlot = -1;
         }
 
         if (mouseDownSlot >= 0 && draggedStack == null
                 && NEIClientUtils.getHeldItem() == null
                 && NEIClientConfig.hasSMPCounterPart()) {
-            ItemPanelSlot mouseOverSlot = getSlotMouseOver(mousex, mousey);
+            ItemsGridSlot mouseOverSlot = this.grid.getSlotMouseOver(mousex, mousey);
 
             if (mouseOverSlot == null || mouseOverSlot.slotIndex != mouseDownSlot || heldTime > 500) {
-                draggedStack = getDraggedStackWithQuantity(mouseDownSlot);
+                draggedStack = getDraggedStackWithQuantity(this.grid.getSlotBySlotIndex(mouseDownSlot).getItemStack());
                 mouseDownSlot = -1;
             }
         }
     }
 
-    protected abstract ItemStack getDraggedStackWithQuantity(int mouseDownSlot);
+    protected abstract ItemStack getDraggedStackWithQuantity(ItemStack itemStack);
 
     @Override
     public boolean handleClick(int mousex, int mousey, int button) {
         if (handleClickExt(mousex, mousey, button)) return true;
 
-        ItemPanelSlot hoverSlot = getSlotMouseOver(mousex, mousey);
+        ItemsGridSlot hoverSlot = this.grid.getSlotMouseOver(mousex, mousey);
         if (hoverSlot != null) {
 
             if (button == 2) {
-
-                if (hoverSlot.item != null) {
-                    draggedStack = getDraggedStackWithQuantity(hoverSlot.slotIndex);
-                }
-
+                draggedStack = getDraggedStackWithQuantity(hoverSlot.getItemStack());
             } else {
                 mouseDownSlot = hoverSlot.slotIndex;
             }
@@ -245,7 +242,7 @@ public abstract class PanelWidget extends Widget implements IContainerTooltipHan
     public boolean handleClickExt(int mouseX, int mouseY, int button) {
 
         if (ItemPanels.itemPanel.draggedStack != null && ItemPanels.bookmarkPanel.contains(mouseX, mouseY)) {
-            ItemPanels.bookmarkPanel.addOrRemoveItem(ItemPanels.itemPanel.draggedStack, null, null, false, true);
+            ItemPanels.bookmarkPanel.addItem(ItemPanels.itemPanel.draggedStack);
             ItemPanels.itemPanel.draggedStack = null;
             return true;
         }
@@ -311,25 +308,23 @@ public abstract class PanelWidget extends Widget implements IContainerTooltipHan
 
     @Override
     public void mouseUp(int mousex, int mousey, int button) {
-        ItemPanelSlot hoverSlot = getSlotMouseOver(mousex, mousey);
+        final ItemsGridSlot hoverSlot = this.grid.getSlotMouseOver(mousex, mousey);
 
         if (hoverSlot != null && hoverSlot.slotIndex == mouseDownSlot && draggedStack == null) {
-            ItemStack item = hoverSlot.item.copy();
 
             if (NEIController.manager.window instanceof GuiRecipe || NEIClientUtils.shiftKey()
-                    || !NEIClientConfig.canCheatItem(item)) {
+                    || !NEIClientConfig.canCheatItem(hoverSlot.getItemStack())) {
 
                 if (button == 0) {
-                    GuiCraftingRecipe.openRecipeGui("item", item);
+                    GuiCraftingRecipe.openRecipeGui("item", hoverSlot.getItemStack().copy());
                 } else if (button == 1) {
-                    GuiUsageRecipe.openRecipeGui("item", item);
+                    GuiUsageRecipe.openRecipeGui("item", hoverSlot.getItemStack().copy());
                 }
 
-                mouseDownSlot = -1;
-                return;
+            } else {
+                NEIClientUtils.cheatItem(getDraggedStackWithQuantity(hoverSlot.getItemStack()), button, -1);
             }
 
-            NEIClientUtils.cheatItem(getDraggedStackWithQuantity(hoverSlot.slotIndex), button, -1);
         }
 
         mouseDownSlot = -1;
@@ -339,20 +334,22 @@ public abstract class PanelWidget extends Widget implements IContainerTooltipHan
     public boolean onMouseWheel(int i, int mousex, int mousey) {
         if (!contains(mousex, mousey)) return false;
 
-        grid.shiftPage(-i);
+        this.grid.shiftPage(-i);
         return true;
     }
 
     @Override
     public boolean handleKeyPress(int keyID, char keyChar) {
+        final Point mouse = GuiDraw.getMousePosition();
+        if (!contains(mouse.x, mouse.y)) return false;
 
         if (NEIClientConfig.isKeyHashDown("gui.next")) {
-            grid.shiftPage(1);
+            this.grid.shiftPage(1);
             return true;
         }
 
         if (NEIClientConfig.isKeyHashDown("gui.prev")) {
-            grid.shiftPage(-1);
+            this.grid.shiftPage(-1);
             return true;
         }
 
@@ -361,41 +358,28 @@ public abstract class PanelWidget extends Widget implements IContainerTooltipHan
 
     @Override
     public ItemStack getStackMouseOver(int mousex, int mousey) {
-        ItemPanelSlot slot = getSlotMouseOver(mousex, mousey);
-        return slot == null ? null : slot.item;
+        final ItemsGridSlot slot = this.grid.getSlotMouseOver(mousex, mousey);
+        return slot == null ? null : slot.getItemStack();
     }
 
-    public ItemPanelSlot getSlotMouseOver(int mousex, int mousey) {
-        return grid.getSlotMouseOver(mousex, mousey);
+    public ItemStack getStackMouseOverWithQuantity(int mousex, int mousey) {
+        final ItemStack hoverSlot = getStackMouseOver(mousex, mousey);
+        return hoverSlot != null ? getDraggedStackWithQuantity(hoverSlot) : null;
     }
 
+    abstract ItemsGridSlot getSlotMouseOver(int mousex, int mousey);
+
     public int getPage() {
-        return grid.getPage();
+        return this.grid.getPage();
     }
 
     public int getNumPages() {
-        return grid.getNumPages();
+        return this.grid.getNumPages();
     }
 
     @Override
     public boolean contains(int px, int py) {
-        return grid.contains(px, py);
-    }
-
-    @Override
-    public List<String> handleTooltip(GuiContainer gui, int mousex, int mousey, List<String> currenttip) {
-        return currenttip;
-    }
-
-    @Override
-    public List<String> handleItemDisplayName(GuiContainer gui, ItemStack itemstack, List<String> currenttip) {
-        return currenttip;
-    }
-
-    @Override
-    public List<String> handleItemTooltip(GuiContainer gui, ItemStack itemstack, int mousex, int mousey,
-            List<String> currenttip) {
-        return currenttip;
+        return this.grid.contains(px, py);
     }
 
 }

src/main/java/codechicken/nei/PositionedStack.java

@@ -2,6 +2,7 @@ package codechicken.nei;
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Comparator;
 import java.util.List;
 import java.util.stream.Collectors;
 
@@ -10,7 +11,6 @@ import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraftforge.oredict.OreDictionary;
 
-import codechicken.nei.ItemList.AllMultiItemFilter;
 import codechicken.nei.api.ItemFilter;
 import codechicken.nei.api.ItemInfo;
 import codechicken.nei.recipe.GuiRecipe;
@@ -96,28 +96,21 @@ public class PositionedStack {
     }
 
     public List<ItemStack> getFilteredPermutations(ItemFilter additionalFilter) {
-        List<ItemStack> items = Arrays.asList(this.items).stream().filter(getItemFilter(additionalFilter)::matches)
-                .collect(Collectors.toList());
+        List<ItemStack> items = Arrays.asList(this.items);
 
-        if (items.isEmpty()) {
-            items.addAll(
-                    Arrays.asList(this.items).stream().filter(item -> !ItemInfo.isHidden(item))
-                            .collect(Collectors.toList()));
-        }
-
-        if (items.isEmpty()) {
-            items.addAll(Arrays.asList(this.items));
-        }
+        items = filteringPermutations(items, item -> !ItemInfo.isHidden(item));
+        items = filteringPermutations(items, PresetsList.getItemFilter());
+        items = filteringPermutations(items, GuiRecipe.getSearchItemFilter());
+        items = filteringPermutations(items, additionalFilter);
 
+        items.sort(Comparator.comparing(FavoriteRecipes::contains).reversed());
         return items;
     }
 
-    private ItemFilter getItemFilter(ItemFilter additionalFilter) {
-        return new AllMultiItemFilter(
-                additionalFilter,
-                item -> !ItemInfo.isHidden(item),
-                PresetsList.getItemFilter(),
-                GuiRecipe.getSearchItemFilter());
+    private List<ItemStack> filteringPermutations(List<ItemStack> items, ItemFilter filter) {
+        if (filter == null) return items;
+        final List<ItemStack> filteredItems = items.stream().filter(filter::matches).collect(Collectors.toList());
+        return filteredItems.isEmpty() ? items : filteredItems;
     }
 
     public boolean setPermutationToRender(ItemStack ingredient) {

src/main/java/codechicken/nei/SearchField.java

@@ -281,7 +281,7 @@ public class SearchField extends TextField implements ItemFilterProvider {
     }
 
     public static String getEscapedSearchText(ItemStack stack) {
-        final FluidStack fluidStack = StackInfo.isFluidContainer(stack) ? null : StackInfo.getFluid(stack);
+        final FluidStack fluidStack = StackInfo.getFluid(stack);
         String displayName;
 
         if (fluidStack != null) {

src/main/java/codechicken/nei/SearchTokenParser.java

@@ -158,7 +158,7 @@ public class SearchTokenParser {
         return this.filtersCache.computeIfAbsent(filterText, text -> {
             final String[] parts = text.split("\\|");
             final List<ItemFilter> searchTokens = Arrays.stream(parts).map(this::parseSearchText).filter(s -> s != null)
-                    .collect(Collectors.toCollection(ArrayList::new));
+                    .collect(Collectors.toList());
 
             if (searchTokens.isEmpty()) {
                 return new EverythingItemFilter();

src/main/java/codechicken/nei/api/DefaultOverlayRenderer.java

@@ -9,6 +9,7 @@ import net.minecraft.inventory.Slot;
 
 import org.lwjgl.opengl.GL11;
 
+import codechicken.nei.NEIClientUtils;
 import codechicken.nei.PositionedStack;
 import codechicken.nei.guihook.GuiContainerManager;
 
@@ -38,11 +39,7 @@ public class DefaultOverlayRenderer implements IRecipeOverlayRenderer {
     }
 
     private static void drawHover(int x, int y) {
-        GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS);
-        GL11.glDisable(GL11.GL_LIGHTING);
-        GL11.glDisable(GL11.GL_DEPTH_TEST);
-        drawRect(x, y, 16, 16, 0x66555555);
-        GL11.glPopAttrib();
+        NEIClientUtils.gl2DRenderContext(() -> drawRect(x, y, 16, 16, 0x66555555));
     }
 
     final IStackPositioner positioner;

src/main/java/codechicken/nei/api/IBookmarkContainerHandler.java

@@ -1,11 +1,26 @@
 package codechicken.nei.api;
 
 import java.util.ArrayList;
+import java.util.List;
 
 import net.minecraft.client.gui.inventory.GuiContainer;
+import net.minecraft.inventory.Slot;
 import net.minecraft.item.ItemStack;
 
 public interface IBookmarkContainerHandler {
 
+    default List<ItemStack> getStorageStacks(GuiContainer guiContainer) {
+        final List<Slot> slots = guiContainer.inventorySlots.inventorySlots;
+        final List<ItemStack> stacks = new ArrayList<>();
+
+        for (int i = 0; i < slots.size() - 4 * 9; i++) {
+            if (slots.get(i).getHasStack()) {
+                stacks.add(slots.get(i).getStack());
+            }
+        }
+
+        return stacks;
+    }
+
     void pullBookmarkItemsFromContainer(GuiContainer guiContainer, ArrayList<ItemStack> realItems);
 }

src/main/java/codechicken/nei/api/IOverlayHandler.java

@@ -14,7 +14,23 @@ import codechicken.nei.recipe.IRecipeHandler;
 
 public interface IOverlayHandler {
 
-    void overlayRecipe(GuiContainer firstGui, IRecipeHandler recipe, int recipeIndex, boolean shift);
+    void overlayRecipe(GuiContainer firstGui, IRecipeHandler recipe, int recipeIndex, boolean maxTransfer);
+
+    default int transferRecipe(GuiContainer firstGui, IRecipeHandler recipe, int recipeIndex, int multiplier) {
+        return 0;
+    }
+
+    default boolean canFillCraftingGrid(GuiContainer firstGui, IRecipeHandler recipe, int recipeIndex) {
+        return true;
+    }
+
+    default boolean craft(GuiContainer firstGui, IRecipeHandler recipe, int recipeIndex, int multiplier) {
+        return false;
+    }
+
+    default boolean canCraft(GuiContainer firstGui, IRecipeHandler handler, int recipeIndex) {
+        return false;
+    }
 
     default List<ItemOverlayState> presenceOverlay(GuiContainer firstGui, IRecipeHandler recipe, int recipeIndex) {
         final List<ItemOverlayState> itemPresenceSlots = new ArrayList<>();
@@ -25,7 +41,7 @@ public interface IOverlayHandler {
                                 && s.getStack().stackSize > 0
                                 && s.isItemValid(s.getStack())
                                 && s.canTakeStack(firstGui.mc.thePlayer))
-                .map(s -> s.getStack().copy()).collect(Collectors.toCollection(ArrayList::new));
+                .map(s -> s.getStack().copy()).collect(Collectors.toList());
 
         for (PositionedStack stack : ingredients) {
             Optional<ItemStack> used = invStacks.stream().filter(is -> is.stackSize > 0 && stack.contains(is))

src/main/java/codechicken/nei/api/ShortcutInputHandler.java

@@ -1,30 +1,41 @@
 package codechicken.nei.api;
 
-import static codechicken.lib.gui.GuiDraw.getMousePosition;
-
 import java.awt.Point;
-import java.awt.Toolkit;
-import java.awt.datatransfer.StringSelection;
+import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import net.minecraft.client.gui.GuiScreen;
 import net.minecraft.client.gui.inventory.GuiContainer;
 import net.minecraft.item.ItemStack;
 import net.minecraftforge.oredict.OreDictionary;
 
 import org.lwjgl.input.Mouse;
 
-import codechicken.nei.ItemPanel.ItemPanelSlot;
+import codechicken.lib.gui.GuiDraw;
+import codechicken.nei.BookmarkContainerInfo;
+import codechicken.nei.FavoriteRecipes;
 import codechicken.nei.ItemPanels;
+import codechicken.nei.ItemQuantityField;
 import codechicken.nei.LayoutManager;
 import codechicken.nei.NEIClientConfig;
 import codechicken.nei.NEIClientUtils;
-import codechicken.nei.PositionedStack;
-import codechicken.nei.recipe.BookmarkRecipeId;
+import codechicken.nei.SearchField;
+import codechicken.nei.bookmark.BookmarkGrid;
+import codechicken.nei.bookmark.BookmarkItem;
+import codechicken.nei.bookmark.BookmarksGridSlot;
+import codechicken.nei.recipe.AutoCraftingManager;
 import codechicken.nei.recipe.GuiCraftingRecipe;
 import codechicken.nei.recipe.GuiRecipe;
 import codechicken.nei.recipe.GuiUsageRecipe;
+import codechicken.nei.recipe.Recipe;
+import codechicken.nei.recipe.Recipe.RecipeId;
+import codechicken.nei.recipe.RecipeHandlerRef;
+import codechicken.nei.recipe.StackInfo;
+import codechicken.nei.recipe.chain.RecipeChainMath;
+import codechicken.nei.util.NEIMouseUtils;
 
 public abstract class ShortcutInputHandler {
 
@@ -34,35 +45,42 @@ public abstract class ShortcutInputHandler {
             return false;
         }
 
-        if (NEIClientConfig.isKeyHashDown("gui.overlay_hide")) {
-            return hideOverlayRecipe();
-        }
-
-        if (NEIClientConfig.isKeyHashDown("gui.bookmark_pull_items")) {
-            return ItemPanels.bookmarkPanel.pullBookmarkItems(ItemPanels.bookmarkPanel.getHoveredGroupId(true), false);
-        }
-
-        if (NEIClientConfig.isKeyHashDown("gui.bookmark_pull_items_ingredients")) {
-            return ItemPanels.bookmarkPanel.pullBookmarkItems(ItemPanels.bookmarkPanel.getHoveredGroupId(true), true);
-        }
-
-        if (stackover == null && NEIClientConfig.isKeyHashDown("gui.remove_recipe")) {
-            final int groupId = ItemPanels.bookmarkPanel.getHoveredGroupId(true);
-
-            if (groupId != -1) {
-                ItemPanels.bookmarkPanel.removeGroup(groupId);
-                return true;
-            }
+        if (NEIClientConfig.isKeyHashDown("gui.overlay") && stackover == null
+                && LayoutManager.overlayRenderer != null) {
+            LayoutManager.overlayRenderer = null;
+            return true;
         }
 
         if (stackover == null) {
+            final int groupId = ItemPanels.bookmarkPanel.getHoveredGroupId(true);
+
+            if (groupId != -1) {
+
+                if (NEIClientConfig.isKeyHashDown("gui.remove_recipe")) {
+                    ItemPanels.bookmarkPanel.removeGroup(groupId);
+                    return true;
+                }
+
+                if (NEIClientConfig.isKeyHashDown("gui.bookmark_pull_items")) {
+                    return ItemPanels.bookmarkPanel.pullBookmarkItems(groupId, NEIClientUtils.shiftKey());
+                }
+
+                if (NEIClientConfig.autocraftingEnabled() && ItemPanels.bookmarkPanel.getGrid().isCraftingMode(groupId)
+                        && NEIClientConfig.isKeyHashDown("gui.craft")) {
+                    AutoCraftingManager
+                            .runProcessing(ItemPanels.bookmarkPanel.getGrid().createRecipeChainMath(groupId));
+                    return true;
+                }
+
+            }
+
             return false;
         }
 
         stackover = stackover.copy();
 
         if (NEIClientConfig.isKeyHashDown("gui.overlay")) {
-            return openOverlayRecipe(stackover, false);
+            return openOverlayRecipe(stackover);
         }
 
         if (NEIClientConfig.isKeyHashDown("gui.copy_name")) {
@@ -73,10 +91,6 @@ public abstract class ShortcutInputHandler {
             return copyItemStackOreDictionary(stackover);
         }
 
-        if (NEIClientConfig.isKeyHashDown("gui.overlay_use")) {
-            return openOverlayRecipe(stackover, true);
-        }
-
         if (NEIClientConfig.isKeyHashDown("gui.recipe")) {
             return GuiCraftingRecipe.openRecipeGui("item", stackover);
         }
@@ -86,19 +100,15 @@ public abstract class ShortcutInputHandler {
         }
 
         if (NEIClientConfig.isKeyHashDown("gui.bookmark")) {
-            return saveRecipeInBookmark(stackover, false, false);
+            return saveRecipeInBookmark(stackover, NEIClientUtils.shiftKey(), NEIClientUtils.controlKey());
         }
 
-        if (NEIClientConfig.isKeyHashDown("gui.bookmark_recipe")) {
-            return saveRecipeInBookmark(stackover, true, false);
+        if (NEIClientConfig.isKeyHashDown("gui.bookmark_pull_items")) {
+            return pullRecipeItems(stackover, NEIClientUtils.shiftKey());
         }
 
-        if (NEIClientConfig.isKeyHashDown("gui.bookmark_count")) {
-            return saveRecipeInBookmark(stackover, false, true);
-        }
-
-        if (NEIClientConfig.isKeyHashDown("gui.bookmark_recipe_count")) {
-            return saveRecipeInBookmark(stackover, true, true);
+        if (NEIClientConfig.autocraftingEnabled() && NEIClientConfig.isKeyHashDown("gui.craft")) {
+            return runAutoCrafting(stackover);
         }
 
         return false;
@@ -123,19 +133,8 @@ public abstract class ShortcutInputHandler {
         return false;
     }
 
-    private static boolean hideOverlayRecipe() {
-
-        if (LayoutManager.overlayRenderer != null) {
-            LayoutManager.overlayRenderer = null;
-            return true;
-        }
-
-        return false;
-    }
-
     private static boolean copyItemStackName(ItemStack stackover) {
-        Toolkit.getDefaultToolkit().getSystemClipboard()
-                .setContents(new StringSelection(stackover.getDisplayName()), null);
+        GuiScreen.setClipboardString(SearchField.getEscapedSearchText(stackover));
         return true;
     }
 
@@ -153,56 +152,311 @@ public abstract class ShortcutInputHandler {
             builder.deleteCharAt(builder.length() - 1);
         }
 
-        Toolkit.getDefaultToolkit().getSystemClipboard().setContents(new StringSelection(builder.toString()), null);
+        GuiScreen.setClipboardString(builder.toString());
         return true;
     }
 
-    private static boolean openOverlayRecipe(ItemStack stackover, boolean shift) {
-        final GuiContainer gui = NEIClientUtils.getGuiContainer();
-
-        if (gui == null || gui instanceof GuiRecipe) {
-            return false;
-        }
-
-        final Point mouseover = getMousePosition();
-        ItemPanelSlot panelSlot = ItemPanels.bookmarkPanel.getSlotMouseOver(mouseover.x, mouseover.y);
-        BookmarkRecipeId recipeId = null;
-
-        if (panelSlot != null) {
-            recipeId = ItemPanels.bookmarkPanel.getBookmarkRecipeId(panelSlot.slotIndex);
-        } else {
-            recipeId = ItemPanels.bookmarkPanel.getBookmarkRecipeId(stackover);
-        }
+    private static boolean runAutoCrafting(ItemStack stackover) {
+        final RecipeId recipeId = GuiCraftingRecipe.getRecipeId(NEIClientUtils.getGuiContainer(), stackover);
 
         if (recipeId != null) {
-            return GuiCraftingRecipe.overlayRecipe(stackover, recipeId, shift);
+            final Point mouseover = GuiDraw.getMousePosition();
+            final BookmarksGridSlot slot = ItemPanels.bookmarkPanel.getSlotMouseOver(mouseover.x, mouseover.y);
+            RecipeChainMath math = null;
+
+            if (slot == null) {
+                final Recipe recipe = Recipe.of(recipeId);
+                if (recipe != null) {
+                    math = RecipeChainMath.of(recipe, 1);
+                }
+            } else if (slot.getRecipeId() != null && !slot.isIngredient()) {
+
+                if (slot.getGroup().crafting == null) {
+                    final Recipe recipe = Recipe.of(slot.getRecipeId());
+                    if (recipe != null) {
+                        math = RecipeChainMath.of(recipe, slot != null ? slot.getMultiplier() : 1);
+                    }
+                } else {
+                    math = ItemPanels.bookmarkPanel.getGrid()
+                            .createRecipeChainMath(slot.getGroupId(), slot.getRecipeId());
+                }
+
+            }
+
+            if (math != null) {
+                AutoCraftingManager.runProcessing(math);
+                return true;
+            }
         }
 
         return false;
     }
 
-    private static boolean saveRecipeInBookmark(ItemStack stack, boolean saveIngredients, boolean saveStackSize) {
+    private static boolean openOverlayRecipe(ItemStack stackover) {
+        final GuiContainer gui = NEIClientUtils.getGuiContainer();
+        final RecipeId recipeId = GuiCraftingRecipe.getRecipeId(gui, stackover);
 
-        if (stack != null) {
-            final GuiContainer gui = NEIClientUtils.getGuiContainer();
-            List<PositionedStack> ingredients = null;
-            String handlerName = "";
+        if (recipeId != null) {
+            final RecipeHandlerRef handlerRef = RecipeHandlerRef.of(recipeId);
 
-            if (gui instanceof GuiRecipe) {
-                ingredients = ((GuiRecipe<?>) gui).getFocusedRecipeIngredients();
-                handlerName = ((GuiRecipe<?>) gui).getHandlerName();
-                stack.stackSize = ((GuiRecipe<?>) gui).prepareFocusedRecipeResultStackSize(stack);
+            if (handlerRef != null) {
+
+                if (NEIClientUtils.shiftKey() && handlerRef.canFillCraftingGrid(gui)) {
+                    int multiplier = 0;
+
+                    if (NEIClientUtils.controlKey()) {
+                        final Point mouseover = GuiDraw.getMousePosition();
+                        final BookmarksGridSlot slot = ItemPanels.bookmarkPanel
+                                .getSlotMouseOver(mouseover.x, mouseover.y);
+                        multiplier = slot != null ? (int) Math.min(64, slot.getMultiplier()) : 1;
+                    }
+
+                    handlerRef.fillCraftingGrid(gui, multiplier);
+                } else if (!NEIClientUtils.shiftKey() && handlerRef.canUseOverlayRenderer(gui)) {
+                    handlerRef.useOverlayRenderer(gui);
+                }
             }
-
-            ItemPanels.bookmarkPanel.addOrRemoveItem(stack, handlerName, ingredients, saveIngredients, saveStackSize);
-            return true;
         }
 
         return false;
     }
 
+    private static boolean saveRecipeInBookmark(ItemStack stackover, boolean saveIngredients, boolean saveStackSize) {
+        final Point mousePos = GuiDraw.getMousePosition();
+
+        if (!ItemPanels.bookmarkPanel.removeSlot(mousePos.x, mousePos.y, saveIngredients)) {
+            final Recipe recipe = getFocusedRecipe(stackover, mousePos.x, mousePos.y, saveIngredients);
+
+            if (recipe != null && saveIngredients) {
+
+                if (!ItemPanels.bookmarkPanel.removeRecipe(recipe.getRecipeId(), BookmarkGrid.DEFAULT_GROUP_ID)) {
+                    final Recipe singleRecipe = Recipe.of(
+                            Arrays.asList(recipe.getResult(stackover)),
+                            recipe.getHandlerName(),
+                            recipe.getIngredients());
+                    singleRecipe.setCustomRecipeId(recipe.getRecipeId());
+
+                    ItemPanels.bookmarkPanel.addRecipe(singleRecipe, BookmarkGrid.DEFAULT_GROUP_ID);
+                }
+
+            } else {
+                final RecipeId recipeId = recipe != null ? recipe.getRecipeId() : null;
+                final boolean existsRecipe = recipeId != null
+                        && ItemPanels.bookmarkPanel.existsRecipe(recipeId, BookmarkGrid.DEFAULT_GROUP_ID);
+
+                if (!ItemPanels.bookmarkPanel
+                        .removeItem(stackover, existsRecipe ? recipeId : null, BookmarkGrid.DEFAULT_GROUP_ID)) {
+                    saveStackSize = saveStackSize || saveIngredients
+                            || ItemPanels.bookmarkPanel.existsRecipe(recipeId, BookmarkGrid.DEFAULT_GROUP_ID);
+
+                    if (!saveStackSize) {
+                        stackover = StackInfo.withAmount(stackover, 0);
+                    } else if (ItemPanels.itemPanel.contains(mousePos.x, mousePos.y)
+                            || ItemPanels.itemPanel.historyPanel.contains(mousePos.x, mousePos.y)) {
+                                stackover = ItemQuantityField.prepareStackWithQuantity(stackover, 0);
+                            }
+
+                    ItemPanels.bookmarkPanel
+                            .addItem(stackover, existsRecipe ? recipeId : null, BookmarkGrid.DEFAULT_GROUP_ID);
+                }
+
+            }
+        }
+
+        return true;
+    }
+
+    private static Recipe getFocusedRecipe(ItemStack stackover, int mousex, int mousey, boolean useFavorites) {
+        final GuiContainer gui = NEIClientUtils.getGuiContainer();
+        Recipe recipe = null;
+
+        if (useFavorites && (ItemPanels.itemPanel.contains(mousex, mousey)
+                || ItemPanels.itemPanel.historyPanel.contains(mousex, mousey))) {
+            recipe = Recipe.of(FavoriteRecipes.getFavorite(stackover));
+
+            if (recipe != null) {
+
+                recipe.getIngredients().stream().forEach(ingr -> {
+                    final List<ItemStack> permutations = ingr.getPermutations();
+                    for (int index = 0; index < permutations.size(); index++) {
+                        if (FavoriteRecipes.getFavorite(permutations.get(index)) != null) {
+                            ingr.setActiveIndex(index);
+                            break;
+                        }
+                    }
+                });
+
+            }
+
+        } else if (gui instanceof GuiRecipe guiRecipe) {
+            recipe = guiRecipe.getFocusedRecipe();
+        }
+
+        return recipe;
+    }
+
+    private static boolean pullRecipeItems(ItemStack stackover, boolean shift) {
+        final Point mousePos = GuiDraw.getMousePosition();
+
+        if (ItemPanels.bookmarkPanel.contains(mousePos.x, mousePos.y)) {
+            stackover = ItemPanels.bookmarkPanel.getStackMouseOverWithQuantity(mousePos.x, mousePos.y);
+        } else if (ItemPanels.itemPanel.contains(mousePos.x, mousePos.y)) {
+            stackover = ItemPanels.itemPanel.getStackMouseOverWithQuantity(mousePos.x, mousePos.y);
+        } else if (ItemPanels.itemPanel.historyPanel.contains(mousePos.x, mousePos.y)) {
+            stackover = ItemPanels.itemPanel.historyPanel.getStackMouseOverWithQuantity(mousePos.x, mousePos.y);
+        } else {
+            stackover = ItemQuantityField.prepareStackWithQuantity(stackover, 0);
+        }
+
+        final RecipeChainMath math = RecipeChainMath
+                .of(Arrays.asList(BookmarkItem.of(-3, stackover)), Collections.emptySet());
+        return ItemPanels.bookmarkPanel.pullBookmarkItems(math, shift);
+    }
+
     public static Map<String, String> handleHotkeys(GuiContainer gui, int mousex, int mousey, ItemStack stack) {
-        return new HashMap<>();
+        final int groupId = ItemPanels.bookmarkPanel.getHoveredGroupId(true);
+        final Map<String, String> hotkeys = new HashMap<>();
+
+        if (groupId != -1) {
+
+            hotkeys.put(
+                    NEIClientConfig.getKeyName("gui.remove_recipe"),
+                    NEIClientUtils.translate("bookmark.group.remove_recipe"));
+
+            if (BookmarkContainerInfo.getBookmarkContainerHandler(gui) != null) {
+                hotkeys.put(
+                        NEIClientConfig.getKeyName("gui.bookmark_pull_items"),
+                        NEIClientUtils.translate("bookmark.group.pull_items"));
+                hotkeys.put(
+                        NEIClientConfig.getKeyName("gui.bookmark_pull_items", NEIClientUtils.SHIFT_HASH),
+                        NEIClientUtils.translate("bookmark.group.pull_items_shift"));
+            }
+
+            if (NEIClientConfig.autocraftingEnabled() && ItemPanels.bookmarkPanel.getGrid().isCraftingMode(groupId)) {
+                hotkeys.put(NEIClientConfig.getKeyName("gui.craft"), NEIClientUtils.translate("bookmark.group.craft"));
+            }
+        }
+
+        if (stack == null) {
+            return hotkeys;
+        }
+
+        final BookmarksGridSlot slot = ItemPanels.bookmarkPanel.getSlotMouseOver(mousex, mousey);
+        final RecipeId recipeId = getHotkeyRecipeId(gui, mousex, mousey, stack, slot);
+
+        if (slot != null) {
+            hotkeys.put(
+                    NEIClientConfig.getKeyName("gui.bookmark"),
+                    NEIClientUtils
+                            .translate(slot.isIngredient() ? "itempanel.remove_item" : "itempanel.remove_recipe"));
+
+            if (slot.isIngredient()) {
+                hotkeys.put(
+                        NEIClientConfig.getKeyName("gui.bookmark", NEIClientUtils.SHIFT_HASH),
+                        NEIClientUtils.translate("itempanel.remove_recipe"));
+            }
+
+            if (BookmarkContainerInfo.getBookmarkContainerHandler(gui) != null) {
+                hotkeys.put(
+                        NEIClientConfig.getKeyName("gui.bookmark_pull_items"),
+                        NEIClientUtils.translate("bookmark.group.pull_items"));
+                hotkeys.put(
+                        NEIClientConfig.getKeyName("gui.bookmark_pull_items", NEIClientUtils.SHIFT_HASH),
+                        NEIClientUtils.translate("bookmark.group.pull_items_shift"));
+            }
+
+        } else {
+            hotkeys.put(NEIClientConfig.getKeyName("gui.bookmark"), NEIClientUtils.translate("itempanel.add_item"));
+
+            if (StackInfo.getAmount(stack) > 0) {
+                hotkeys.put(
+                        NEIClientConfig.getKeyName("gui.bookmark", NEIClientUtils.CTRL_HASH),
+                        NEIClientUtils.translate("itempanel.add_item_with_count"));
+            }
+
+            if (recipeId != null) {
+                hotkeys.put(
+                        NEIClientConfig.getKeyName("gui.bookmark", NEIClientUtils.SHIFT_HASH),
+                        NEIClientUtils.translate("itempanel.add_item_with_recipe"));
+            }
+
+        }
+
+        hotkeys.put(NEIClientConfig.getKeyName("gui.recipe"), NEIClientUtils.translate("itempanel.open_crafting"));
+        hotkeys.put(NEIClientConfig.getKeyName("gui.usage"), NEIClientUtils.translate("itempanel.open_usage"));
+
+        hotkeys.put(NEIClientConfig.getKeyName("gui.copy_name"), NEIClientUtils.translate("itempanel.copy_name"));
+        hotkeys.put(NEIClientConfig.getKeyName("gui.copy_oredict"), NEIClientUtils.translate("itempanel.copy_oredict"));
+
+        if (!(gui instanceof GuiRecipe) && NEIClientConfig.canCheatItem(stack)) {
+            hotkeys.put(
+                    NEIClientUtils.getKeyName(NEIClientUtils.SHIFT_HASH, NEIMouseUtils.MOUSE_BTN_LMB),
+                    NEIClientUtils.translate("itempanel.open_crafting"));
+            hotkeys.put(
+                    NEIClientUtils.getKeyName(NEIClientUtils.SHIFT_HASH, NEIMouseUtils.MOUSE_BTN_RMB),
+                    NEIClientUtils.translate("itempanel.open_usage"));
+        } else {
+            hotkeys.put(
+                    NEIMouseUtils.getKeyName(NEIMouseUtils.MOUSE_BTN_LMB),
+                    NEIClientUtils.translate("itempanel.open_crafting"));
+            hotkeys.put(
+                    NEIMouseUtils.getKeyName(NEIMouseUtils.MOUSE_BTN_RMB),
+                    NEIClientUtils.translate("itempanel.open_usage"));
+        }
+
+        if (recipeId != null) {
+            final RecipeHandlerRef handlerRef = RecipeHandlerRef.of(recipeId);
+
+            if (handlerRef != null) {
+
+                if (handlerRef.canUseOverlayRenderer(gui)) {
+                    hotkeys.put(
+                            NEIClientConfig.getKeyName("gui.overlay"),
+                            NEIClientUtils.translate("itempanel.overlay_recipe"));
+                }
+
+                if (handlerRef.canFillCraftingGrid(gui)) {
+                    hotkeys.put(
+                            NEIClientConfig.getKeyName("gui.overlay", NEIClientUtils.SHIFT_HASH),
+                            NEIClientUtils.translate("itempanel.fill_crafting_grid"));
+
+                    if (handlerRef.allowedTransferAlghoritm(gui)) {
+                        hotkeys.put(
+                                NEIClientConfig.getKeyName(
+                                        "gui.overlay",
+                                        NEIClientUtils.SHIFT_HASH + NEIClientUtils.CTRL_HASH),
+                                NEIClientUtils.translate("itempanel.fill_crafting_grid_quantity"));
+                    }
+                }
+
+                if (NEIClientConfig.autocraftingEnabled()) {
+                    hotkeys.put(NEIClientConfig.getKeyName("gui.craft"), NEIClientUtils.translate("itempanel.craft"));
+                }
+            }
+
+        }
+
+        return hotkeys;
+    }
+
+    private static RecipeId getHotkeyRecipeId(GuiContainer gui, int mousex, int mousey, ItemStack stack,
+            BookmarksGridSlot slot) {
+
+        if (slot != null) {
+            return slot.getRecipeId();
+        } else if (ItemPanels.itemPanel.contains(mousex, mousey)
+                || ItemPanels.itemPanel.historyPanel.contains(mousex, mousey)) {
+                    return FavoriteRecipes.getFavorite(stack);
+                } else
+            if (gui instanceof GuiRecipe guiRecipe) {
+                final Recipe focusedRecipe = guiRecipe.getFocusedRecipe();
+
+                if (focusedRecipe != null) {
+                    return focusedRecipe.getRecipeId();
+                }
+            }
+
+        return null;
     }
 
 }

src/main/java/codechicken/nei/bookmark/BookmarkGridGenerator.java

@@ -0,0 +1,384 @@
+package codechicken.nei.bookmark;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+import codechicken.nei.BookmarkPanel.BookmarkViewMode;
+import codechicken.nei.ItemSorter;
+import codechicken.nei.bookmark.RecipeChainDetails.BookmarkChainItem;
+import codechicken.nei.bookmark.RecipeChainDetails.CalculatedType;
+import codechicken.nei.recipe.Recipe.RecipeId;
+import codechicken.nei.recipe.StackInfo;
+
+public class BookmarkGridGenerator {
+
+    protected final BookmarkGrid grid;
+    public List<BookmarksGridSlot> gridMask = null;
+
+    public final Map<Integer, Integer> rowToGroupId = new HashMap<>();
+    public final Map<Integer, RecipeId> itemToRecipe = new HashMap<>();
+
+    public final Map<Integer, Integer> slotToItem = new LinkedHashMap<>();
+    public final Map<Integer, Integer> itemToSlot = new LinkedHashMap<>();
+
+    public final Map<Integer, BookmarkChainItem> caclulatedItems = new HashMap<>();
+
+    public int pageCount = 0;
+    public int maxAbsoluteSlotIndex = 0;
+
+    public BookmarkGridGenerator(BookmarkGrid grid) {
+        this.grid = grid;
+    }
+
+    public int getRowGroupId(int rowIndex) {
+        final int absoluteRowIndex = rowIndex + (this.grid.getPage() - 1) * this.grid.getRows();
+        return rowToGroupId.getOrDefault(absoluteRowIndex, BookmarkGrid.DEFAULT_GROUP_ID);
+    }
+
+    public void generate() {
+        BookmarkItem prevBookmarkItem = null;
+        Map<Integer, String> borderGrid = new HashMap<>();
+        int gridColumns = this.grid.getColumns();
+        int size = this.grid.size();
+        int absoluteSlotIndex = -2;
+        int itemIndex = 0;
+
+        this.pageCount = 0;
+        this.maxAbsoluteSlotIndex = 0;
+        this.gridMask = new ArrayList<>();
+        this.itemToRecipe.clear();
+        this.caclulatedItems.clear();
+        this.slotToItem.clear();
+        this.itemToSlot.clear();
+        this.rowToGroupId.clear();
+
+        if (this.grid.isEmpty() || this.grid.getPerPage() == 0) {
+            return;
+        }
+
+        while (itemIndex < size && absoluteSlotIndex != -1) {
+            final BookmarkItem bookmarkItem = this.grid.getBookmarkItem(itemIndex);
+            final BookmarkGroup group = this.grid.getGroup(bookmarkItem.groupId);
+
+            if (group.crafting != null && (!group.crafting.calculatedItems.containsKey(itemIndex)
+                    || bookmarkItem.recipeId != null && !bookmarkItem.recipeId
+                            .equals(group.crafting.itemToRecipe.getOrDefault(itemIndex, bookmarkItem.recipeId)))) {
+                itemIndex++;
+            } else if (group.collapsed) {
+                final List<Integer> results = getGroupResults(bookmarkItem.groupId, itemIndex, size);
+                final String groupKey = "group:" + bookmarkItem.groupId;
+
+                for (int index = 0; index < results.size(); index++) {
+                    final int collapsedItemIndex = results.get(index);
+                    final BookmarkItem item = this.grid.getBookmarkItem(collapsedItemIndex);
+                    final int nextSlotIndex = nextSlotIndex(
+                            absoluteSlotIndex + 1,
+                            prevBookmarkItem,
+                            item,
+                            BookmarkViewMode.DEFAULT);
+
+                    if (nextSlotIndex == -1 || index > 0 && (nextSlotIndex % gridColumns) == 0) {
+                        break;
+                    }
+
+                    prevBookmarkItem = item;
+                    absoluteSlotIndex = nextSlotIndex;
+                    this.slotToItem.put(absoluteSlotIndex, collapsedItemIndex);
+                    this.itemToSlot.put(collapsedItemIndex, absoluteSlotIndex);
+                    this.caclulatedItems.put(collapsedItemIndex, getItem(group, collapsedItemIndex));
+                    borderGrid.put(absoluteSlotIndex, groupKey);
+                }
+
+                while (itemIndex < size && this.grid.getBookmarkItem(itemIndex).groupId == bookmarkItem.groupId) {
+                    itemIndex++;
+                }
+
+            } else if (group.crafting != null && group.viewMode == BookmarkViewMode.DEFAULT) {
+                final List<Integer> results = getGroupResults(bookmarkItem.groupId, itemIndex, size);
+                List<Integer> shadows;
+
+                for (int index = 0; index < results.size() && absoluteSlotIndex != -1; index++) {
+                    final int collapsedItemIndex = results.get(index);
+                    final BookmarkItem item = this.grid.getBookmarkItem(collapsedItemIndex);
+
+                    if ((absoluteSlotIndex = nextSlotIndex(
+                            absoluteSlotIndex + 1,
+                            prevBookmarkItem,
+                            item,
+                            BookmarkViewMode.DEFAULT)) != -1) {
+                        prevBookmarkItem = item;
+                        this.slotToItem.put(absoluteSlotIndex, collapsedItemIndex);
+                        this.itemToSlot.put(collapsedItemIndex, absoluteSlotIndex);
+                        this.caclulatedItems.put(collapsedItemIndex, getItem(group, collapsedItemIndex));
+
+                        if (!(shadows = getShadows(group, item.recipeId)).isEmpty()) {
+                            borderGrid.put(absoluteSlotIndex, "recipe:" + shadows.get(0));
+                        }
+                    }
+                }
+
+                while (itemIndex < size && this.grid.getBookmarkItem(itemIndex).groupId == bookmarkItem.groupId) {
+                    itemIndex++;
+                }
+
+            } else if (group.crafting != null && group.crafting.itemToRecipe.values().contains(bookmarkItem.recipeId)) {
+                absoluteSlotIndex = generateCollapsedRecipe(prevBookmarkItem, itemIndex, absoluteSlotIndex, borderGrid);
+                prevBookmarkItem = bookmarkItem;
+
+                while (itemIndex < size && bookmarkItem.equalsRecipe(this.grid.getBookmarkItem(itemIndex))) {
+                    itemIndex++;
+                }
+
+            } else if ((absoluteSlotIndex = nextSlotIndex(
+                    absoluteSlotIndex + 1,
+                    prevBookmarkItem,
+                    bookmarkItem,
+                    group.viewMode)) != -1) {
+                        prevBookmarkItem = bookmarkItem;
+                        this.slotToItem.put(absoluteSlotIndex, itemIndex);
+                        this.itemToSlot.put(itemIndex, absoluteSlotIndex);
+                        this.caclulatedItems.put(itemIndex, getItem(group, itemIndex));
+                        itemIndex++;
+                    }
+        }
+
+        this.maxAbsoluteSlotIndex = this.slotToItem.keySet().stream().mapToInt(index -> index).max().orElse(-1) + 1;
+        generateGroups();
+        splitGridMask();
+        calculateGroupBorders(borderGrid);
+    }
+
+    private List<Integer> getGroupResults(int groupId, int itemIndex, int size) {
+        final BookmarkGroup group = this.grid.getGroup(groupId);
+        final List<Integer> results = new ArrayList<>();
+
+        while (itemIndex < size) {
+            final BookmarkItem bookmarkItem = this.grid.getBookmarkItem(itemIndex);
+
+            if (bookmarkItem == null || bookmarkItem.groupId != groupId) {
+                break;
+            }
+
+            if (!bookmarkItem.isIngredient
+                    && (group.crafting == null || group.crafting.calculatedItems.containsKey(itemIndex))) {
+                results.add(itemIndex);
+            }
+
+            itemIndex++;
+        }
+
+        return results;
+    }
+
+    private int generateCollapsedRecipe(BookmarkItem prevBookmarkItem, int itemIndex, int absoluteSlotIndex,
+            Map<Integer, String> borderGrid) {
+        final BookmarkItem bookmarkItem = this.grid.getBookmarkItem(itemIndex);
+        final BookmarkGroup group = this.grid.getGroup(bookmarkItem.groupId);
+        final List<Integer> shadows = getShadows(group, bookmarkItem.recipeId);
+        final String borderId = "recipe:" + shadows.get(0);
+
+        shadows.sort(generateSortingComparator(group.crafting.calculatedItems));
+
+        for (int shadowIndex : shadows) {
+            final boolean isIngredient = shadows.get(0) != shadowIndex
+                    || group.crafting.calculatedItems.get(shadowIndex).calculatedType == CalculatedType.INGREDIENT;
+            final BookmarkItem shadowBookmarkItem = BookmarkItem.of(
+                    bookmarkItem.groupId,
+                    bookmarkItem.itemStack,
+                    1,
+                    bookmarkItem.recipeId,
+                    isIngredient,
+                    Collections.emptyMap());
+
+            if ((absoluteSlotIndex = nextSlotIndex(
+                    absoluteSlotIndex + 1,
+                    prevBookmarkItem,
+                    shadowBookmarkItem,
+                    group.viewMode)) != -1) {
+                this.slotToItem.put(absoluteSlotIndex, shadowIndex);
+                this.itemToSlot.put(shadowIndex, absoluteSlotIndex);
+                this.caclulatedItems.put(shadowIndex, getItem(group, shadowIndex));
+                this.itemToRecipe.put(shadowIndex, bookmarkItem.recipeId);
+                borderGrid.put(absoluteSlotIndex, borderId);
+                prevBookmarkItem = shadowBookmarkItem;
+            }
+
+        }
+
+        return absoluteSlotIndex;
+    }
+
+    private List<Integer> getShadows(BookmarkGroup group, RecipeId recipeId) {
+        return group.crafting.itemToRecipe.entrySet().stream().filter(entry -> recipeId.equals(entry.getValue()))
+                .map(entry -> entry.getKey()).collect(Collectors.toList());
+    }
+
+    private int nextSlotIndex(int index, BookmarkItem previousMeta, BookmarkItem meta, BookmarkViewMode viewMode) {
+        int gridColumns = this.grid.getColumns();
+        int maxIndex = this.grid.getRows() * gridColumns;
+        int j = 0;
+
+        index = Math.max(0, index);
+
+        while (j++ < maxIndex) {
+            boolean isFirstColumn = (index % gridColumns) == 0;
+
+            if (this.grid.isInvalidSlot(index % maxIndex)) {
+                index++;
+            } else if (!isFirstColumn && (previousMeta == null || previousMeta.groupId != meta.groupId)) {
+                // new group must start on a new line
+                index++;
+            } else if (viewMode == BookmarkViewMode.DEFAULT) {
+                return index;
+            } else if (isFirstColumn && (meta.recipeId == null || previousMeta == null
+                    || previousMeta.groupId != meta.groupId
+                    || !meta.recipeId.equals(previousMeta.recipeId)
+                    || index + 1 < maxIndex && this.grid.isInvalidSlot((index + 1) % maxIndex))) {
+                        // In first column must be an item without recipe, a recipe result, or an ingredient
+                        // if the second column is occupied
+                        return index;
+                    } else
+                if (!isFirstColumn && meta.recipeId != null && meta.recipeId.equals(previousMeta.recipeId)) {
+                    return index;
+                } else {
+                    index++;
+                }
+
+        }
+
+        return -1;
+    }
+
+    private void generateGroups() {
+        int gridColumns = this.grid.getColumns();
+        int previousGroupId = BookmarkGrid.DEFAULT_GROUP_ID;
+
+        for (int absoluteSlotIndex = 0; absoluteSlotIndex < this.maxAbsoluteSlotIndex; absoluteSlotIndex++) {
+            int absoluteRowIndex = absoluteSlotIndex / gridColumns;
+            if (this.rowToGroupId.getOrDefault(absoluteRowIndex, BookmarkGrid.DEFAULT_GROUP_ID)
+                    == BookmarkGrid.DEFAULT_GROUP_ID) {
+                int groupId = BookmarkGrid.DEFAULT_GROUP_ID;
+
+                if (this.slotToItem.containsKey(absoluteSlotIndex)) {
+                    groupId = this.caclulatedItems.get(this.slotToItem.get(absoluteSlotIndex)).getItem().groupId;
+                }
+
+                this.rowToGroupId.put(absoluteRowIndex, groupId);
+
+                if (groupId != BookmarkGrid.DEFAULT_GROUP_ID && previousGroupId == (previousGroupId = groupId)) {
+                    while ((--absoluteRowIndex) >= 0
+                            && this.rowToGroupId.get(absoluteRowIndex) == BookmarkGrid.DEFAULT_GROUP_ID) {
+                        this.rowToGroupId.put(absoluteRowIndex, groupId);
+                    }
+                }
+
+            }
+        }
+
+    }
+
+    private Comparator<Integer> generateSortingComparator(Map<Integer, BookmarkChainItem> calculatedItems) {
+        return Comparator.comparingInt((Integer index) -> calculatedItems.get(index).calculatedType.toInt())
+                .thenComparing(index -> StackInfo.getFluid(calculatedItems.get(index).getItem().itemStack) != null)
+                .thenComparing(
+                        (i1, i2) -> ItemSorter.instance.compare(
+                                calculatedItems.get(i1).getItem().itemStack,
+                                calculatedItems.get(i2).getItem().itemStack));
+    }
+
+    private void splitGridMask() {
+        int gridColumns = this.grid.getColumns();
+        int rows = this.grid.getRows();
+        int perPage = rows * gridColumns;
+
+        this.pageCount = (int) Math.ceil(this.maxAbsoluteSlotIndex / (float) perPage);
+        int page = Math.max(0, Math.min(this.grid.getPage(), this.pageCount) - 1);
+
+        for (int absoluteSlotIndex = page * perPage; absoluteSlotIndex
+                < Math.min(this.maxAbsoluteSlotIndex, (page + 1) * perPage); absoluteSlotIndex++) {
+            if (this.slotToItem.get(absoluteSlotIndex) != null) {
+                this.gridMask
+                        .add(getBookmarkGridSlot(absoluteSlotIndex % perPage, this.slotToItem.get(absoluteSlotIndex)));
+            }
+        }
+    }
+
+    private BookmarkChainItem getItem(BookmarkGroup group, int itemIndex) {
+        if (group.crafting != null) {
+            return group.crafting.calculatedItems.get(itemIndex);
+        } else {
+            BookmarkChainItem item = BookmarkChainItem.of(this.grid.getBookmarkItem(itemIndex));
+            item.setRealAmount(item.getShiftAmount());
+            return item;
+        }
+    }
+
+    private BookmarksGridSlot getBookmarkGridSlot(int slotIndex, int itemIndex) {
+        final BookmarkChainItem chainItem = this.caclulatedItems.get(itemIndex);
+        final BookmarkGroup group = this.grid.getGroup(chainItem.getItem().groupId);
+
+        if (group.crafting == null) {
+            return new BookmarksGridSlot(
+                    slotIndex,
+                    itemIndex,
+                    chainItem.getRealAmount(),
+                    0,
+                    0,
+                    chainItem.getItem(),
+                    null,
+                    group);
+        } else {
+            return new BookmarksGridSlot(
+                    slotIndex,
+                    itemIndex,
+                    chainItem.getRealAmount(),
+                    chainItem.getShiftAmount(),
+                    chainItem.getCalculatedAmount(),
+                    chainItem.getItem(),
+                    chainItem.calculatedType,
+                    group);
+        }
+    }
+
+    protected void calculateGroupBorders(Map<Integer, String> borderGrid) {
+        int gridColumns = this.grid.getColumns();
+        int page = Math.max(1, Math.min(this.grid.getPage(), this.pageCount)) - 1;
+        int shiftIndex = page * this.grid.getRows() * gridColumns;
+
+        for (BookmarksGridSlot slot : this.gridMask) {
+            if (borderGrid.get(shiftIndex + slot.slotIndex) == null) {
+                continue;
+            }
+
+            String groupIndex = borderGrid.get(shiftIndex + slot.slotIndex);
+            int column = slot.slotIndex % gridColumns;
+            int row = slot.slotIndex / gridColumns;
+            int prevSlotIndex = shiftIndex + (row - 1) * gridColumns + column;
+            int nextSlotIndex = shiftIndex + (row + 1) * gridColumns + column;
+            BookmarkGroup group = slot.getGroup();
+
+            if (group.crafting == null) {
+                slot.borderColor = BookmarkGrid.GROUP_NONE_COLOR;
+            } else if (group.collapsed) {
+                slot.borderColor = BookmarkGrid.GROUP_CHAIN_COLOR;
+            } else {
+                slot.borderColor = BookmarkGrid.RECIPE_COLOR;
+            }
+
+            slot.borderLeft = column == 0 || !groupIndex.equals(borderGrid.get(shiftIndex + slot.slotIndex - 1));
+            slot.borderRight = column + 1 == gridColumns
+                    || !groupIndex.equals(borderGrid.get(shiftIndex + slot.slotIndex + 1));
+
+            slot.borderTop = !groupIndex.equals(borderGrid.get(prevSlotIndex));
+            slot.borderBottom = !groupIndex.equals(borderGrid.get(nextSlotIndex));
+        }
+
+    }
+
+}

src/main/java/codechicken/nei/bookmark/BookmarkGroup.java

@@ -0,0 +1,58 @@
+package codechicken.nei.bookmark;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import codechicken.nei.BookmarkPanel.BookmarkViewMode;
+import codechicken.nei.recipe.Recipe.RecipeId;
+
+public class BookmarkGroup {
+
+    public RecipeChainDetails crafting = null;
+    public BookmarkViewMode viewMode;
+    public boolean collapsed = false;
+    public Set<RecipeId> collapsedRecipes = new HashSet<>();
+
+    public BookmarkGroup(BookmarkViewMode viewMode) {
+        this.viewMode = viewMode;
+    }
+
+    public BookmarkGroup(BookmarkViewMode viewMode, boolean crafting) {
+        this.viewMode = viewMode;
+        setCraftingMode(crafting);
+    }
+
+    public void toggleViewMode() {
+        if (this.viewMode == BookmarkViewMode.DEFAULT) {
+            this.viewMode = BookmarkViewMode.TODO_LIST;
+        } else {
+            this.viewMode = BookmarkViewMode.DEFAULT;
+        }
+    }
+
+    public void setCraftingMode(boolean crafting) {
+        if ((this.crafting != null) != crafting) {
+            this.crafting = crafting ? new RecipeChainDetails() : null;
+        }
+    }
+
+    public void toggleCraftingMode() {
+        setCraftingMode(this.crafting == null);
+    }
+
+    public void toggleCollapsedState() {
+        this.collapsed = !this.collapsed;
+    }
+
+    public void toggleCollapsedRecipe(RecipeId recipeId) {
+        if (this.collapsedRecipes.contains(recipeId)) {
+            this.collapsedRecipes.remove(recipeId);
+        } else {
+            this.collapsedRecipes.add(recipeId);
+        }
+    }
+
+    public BookmarkGroup copy() {
+        return new BookmarkGroup(this.viewMode);
+    }
+}

src/main/java/codechicken/nei/bookmark/BookmarkItem.java

@@ -0,0 +1,191 @@
+package codechicken.nei.bookmark;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraftforge.fluids.FluidStack;
+
+import codechicken.nei.recipe.Recipe;
+import codechicken.nei.recipe.Recipe.RecipeId;
+import codechicken.nei.recipe.Recipe.RecipeIngredient;
+import codechicken.nei.recipe.StackInfo;
+
+public class BookmarkItem {
+
+    public int groupId;
+
+    public long amount = 0L;
+    public final int fluidCellAmount;
+    public ItemStack itemStack;
+    public Map<String, ItemStack> permutations;
+
+    public long factor;
+    public RecipeId recipeId;
+    public boolean isIngredient = false;
+
+    protected BookmarkItem(int groupId, long amount, int fluidCellAmount, ItemStack itemStack,
+            Map<String, ItemStack> permutations, long factor, RecipeId recipeId, boolean isIngredient) {
+        this.groupId = groupId;
+
+        this.amount = amount;
+        this.fluidCellAmount = fluidCellAmount;
+        this.itemStack = itemStack;
+        this.permutations = permutations;
+
+        this.factor = factor;
+        this.recipeId = recipeId;
+        this.isIngredient = isIngredient;
+    }
+
+    public static BookmarkItem of(int groupId, ItemStack stack, long factor, RecipeId recipeId, boolean isIngredient,
+            Map<String, ItemStack> permutations) {
+        final FluidStack fluidStack = StackInfo.getFluid(stack);
+        int fluidCellAmount = 1;
+        long amount;
+
+        if (fluidStack != null) {
+            amount = fluidStack.amount * (long) Math.max(0, stack.stackSize);
+            fluidCellAmount = Math.max(1, StackInfo.isFluidContainer(stack) ? fluidStack.amount : 1);
+        } else {
+            amount = StackInfo.getAmount(stack);
+        }
+
+        return new BookmarkItem(
+                groupId,
+                amount,
+                fluidCellAmount,
+                stack,
+                permutations,
+                factor * fluidCellAmount,
+                recipeId,
+                isIngredient);
+    }
+
+    public static BookmarkItem of(int groupId, ItemStack stack, long factor, RecipeId recipeId, boolean isIngredient) {
+        return of(groupId, stack, factor, recipeId, isIngredient, generatePermutations(stack, recipeId, isIngredient));
+    }
+
+    public static BookmarkItem of(int groupId, ItemStack stack) {
+        final NBTTagCompound nbTag = StackInfo.itemStackToNBT(stack);
+        final long factor = nbTag.hasKey("gtFluidName") ? Math.min(144, nbTag.getInteger("Count")) : 1;
+        return BookmarkItem
+                .of(groupId, stack, factor, null, false, Collections.singletonMap(getItemGUID(stack), stack));
+    }
+
+    public BookmarkItem copyWithAmount(long amount) {
+        return new BookmarkItem(
+                this.groupId,
+                amount,
+                this.fluidCellAmount,
+                this.itemStack,
+                this.permutations,
+                this.factor,
+                this.recipeId,
+                this.isIngredient);
+    }
+
+    public BookmarkItem copy() {
+        return copyWithAmount(this.amount);
+    }
+
+    public static Map<String, ItemStack> generatePermutations(ItemStack stack, RecipeId recipeId,
+            boolean isIngredient) {
+
+        if (isIngredient && recipeId != null) {
+            return generatePermutations(stack, Recipe.of(recipeId));
+        }
+
+        return Collections.singletonMap(getItemGUID(stack), stack);
+    }
+
+    public static Map<String, ItemStack> generatePermutations(ItemStack stack, Recipe recipe) {
+
+        if (recipe != null) {
+            final RecipeIngredient ingr = recipe.getIngredients().stream()
+                    .filter(ingredient -> ingredient.contains(stack)).findAny().orElse(null);
+
+            if (ingr != null) {
+                final Map<String, ItemStack> permutations = new HashMap<>();
+                for (ItemStack ingrStack : ingr.getPermutations()) {
+                    permutations.put(getItemGUID(ingrStack), ingrStack);
+                }
+                return permutations;
+            }
+        }
+
+        return Collections.singletonMap(getItemGUID(stack), stack);
+    }
+
+    private static String getItemGUID(ItemStack stack) {
+        final FluidStack fluidStack = StackInfo.getFluid(stack);
+
+        if (fluidStack != null) {
+            return fluidStack.getFluid().getName() + ":" + fluidStack.tag;
+        } else {
+            return StackInfo.getItemStackGUID(stack);
+        }
+    }
+
+    public boolean containsItems(BookmarkItem item) {
+        return this.permutations.keySet().stream().anyMatch(item.permutations::containsKey);
+    }
+
+    public ItemStack getItemStack() {
+        return getItemStack(this.amount);
+    }
+
+    public ItemStack getItemStack(long amount) {
+        return StackInfo.withAmount(this.itemStack, getStackSize(amount));
+    }
+
+    public long getStackSize() {
+        return getStackSize(this.amount);
+    }
+
+    public long getStackSize(long amount) {
+        return (long) (this.factor > 0 ? Math.ceil(amount / (double) this.fluidCellAmount) : 0);
+    }
+
+    public long getMultiplier() {
+        return getMultiplier(this.amount);
+    }
+
+    public long getMultiplier(long amount) {
+        return (long) (this.factor > 0 ? Math.ceil(amount / (double) this.factor) : 0);
+    }
+
+    public long getFactor() {
+        return this.factor / this.fluidCellAmount;
+    }
+
+    public boolean equalsRecipe(BookmarkItem meta) {
+        return equalsRecipe(meta.recipeId, meta.groupId);
+    }
+
+    public boolean equalsRecipe(RecipeId recipeId, int groupId) {
+        return groupId == this.groupId && recipeId != null && recipeId.equals(this.recipeId);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(this.groupId, this.fluidCellAmount, this.isIngredient, this.recipeId);
+    }
+
+    @Override
+    public boolean equals(Object object) {
+
+        if (object instanceof BookmarkItem item) {
+            return this.groupId == item.groupId && this.isIngredient == item.isIngredient
+                    && this.fluidCellAmount == item.fluidCellAmount
+                    && StackInfo.equalItemAndNBT(this.itemStack, item.itemStack, true)
+                    && (this.recipeId == item.recipeId || this.recipeId != null && this.recipeId.equals(item.recipeId));
+        }
+
+        return false;
+    }
+
+}

src/main/java/codechicken/nei/bookmark/BookmarkStorage.java

@@ -0,0 +1,366 @@
+package codechicken.nei.bookmark;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+
+import org.apache.commons.io.IOUtils;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import com.google.gson.JsonPrimitive;
+import com.google.gson.JsonSyntaxException;
+
+import codechicken.nei.BookmarkPanel.BookmarkViewMode;
+import codechicken.nei.NEIClientConfig;
+import codechicken.nei.recipe.Recipe.RecipeId;
+import codechicken.nei.recipe.StackInfo;
+import codechicken.nei.util.NBTJson;
+
+public class BookmarkStorage {
+
+    protected List<BookmarkGrid> namespaces = new ArrayList<>();
+    protected int activeNamespaceIndex = 0;
+    protected File bookmarkFile = null;
+
+    public BookmarkStorage() {
+        this.namespaces.add(new BookmarkGrid());
+    }
+
+    public boolean prevNamespace() {
+        getNamespaceSize();
+        removeEmptyNamespaces();
+
+        if (this.activeNamespaceIndex == 0) {
+            setNamespace(getNamespaceSize() - 1);
+        } else {
+            setNamespace(this.activeNamespaceIndex - 1);
+        }
+
+        return true;
+    }
+
+    public boolean nextNamespace() {
+
+        if (removeEmptyNamespaces()) {
+            return true;
+        }
+
+        if (this.activeNamespaceIndex == getNamespaceSize() - 1) {
+            setNamespace(0);
+        } else {
+            setNamespace(this.activeNamespaceIndex + 1);
+        }
+
+        return true;
+    }
+
+    private void setNamespace(int namespaceIndex) {
+        this.activeNamespaceIndex = Math.min(namespaceIndex, this.namespaces.size() - 1);
+        BookmarkGrid grid = this.namespaces.get(this.activeNamespaceIndex);
+
+        if (grid.size() == 0 && this.activeNamespaceIndex > 0) {
+            grid.setViewMode(
+                    BookmarkGrid.DEFAULT_GROUP_ID,
+                    this.namespaces.get(this.activeNamespaceIndex - 1).getViewMode(BookmarkGrid.DEFAULT_GROUP_ID));
+        }
+
+    }
+
+    public int getNamespaceSize() {
+
+        if (this.namespaces.get(this.namespaces.size() - 1).size() > 0) {
+            this.namespaces.add(new BookmarkGrid());
+        } else if (this.activeNamespaceIndex == this.namespaces.size() - 2 && getActiveGrid().size() == 0) {
+            this.namespaces.remove(this.namespaces.size() - 1);
+        }
+
+        return this.namespaces.size();
+    }
+
+    public boolean isEmpty() {
+        return this.namespaces.size() <= 1 && getActiveGrid().isEmpty();
+    }
+
+    public int getActiveIndex() {
+        return this.activeNamespaceIndex;
+    }
+
+    public BookmarkGrid getActiveGrid() {
+        return this.namespaces.get(this.activeNamespaceIndex);
+    }
+
+    private boolean removeEmptyNamespaces() {
+
+        if (this.activeNamespaceIndex != this.namespaces.size() - 1 && getActiveGrid().size() == 0) {
+            this.namespaces.remove(this.activeNamespaceIndex);
+            setNamespace(this.activeNamespaceIndex);
+            return true;
+        }
+
+        return false;
+    }
+
+    public void load(File bookmarkFile) {
+
+        if (bookmarkFile.equals(this.bookmarkFile)) {
+            return;
+        }
+
+        List<String> itemStrings = Collections.emptyList();
+
+        if (bookmarkFile.exists()) {
+            try (FileInputStream reader = new FileInputStream(bookmarkFile)) {
+                NEIClientConfig.logger.info("Loading bookmarks from file {}", bookmarkFile);
+                itemStrings = IOUtils.readLines(reader, StandardCharsets.UTF_8);
+            } catch (IOException e) {
+                NEIClientConfig.logger.error("Failed to load bookmarks from file {}", bookmarkFile, e);
+                return;
+            }
+        }
+
+        final JsonParser parser = new JsonParser();
+        final List<BookmarkGrid> namespaces = new ArrayList<>();
+        NBTTagCompound navigation = new NBTTagCompound();
+        namespaces.add(new BookmarkGrid());
+        BookmarkGrid grid = namespaces.get(0);
+
+        if (NEIClientConfig.world.nbt.hasKey("bookmark")) {
+            navigation = NEIClientConfig.world.nbt.getCompoundTag("bookmark");
+        }
+
+        for (String itemStr : itemStrings) {
+
+            try {
+
+                if (itemStr.isEmpty()) {
+                    itemStr = "; {}";
+                }
+
+                if (itemStr.startsWith("; ")) {
+                    JsonObject settings = parser.parse(itemStr.substring(2)).getAsJsonObject();
+
+                    if (grid.size() > 0) {
+                        // do not create empty namespaces
+                        grid = new BookmarkGrid();
+                        namespaces.add(grid);
+                    }
+
+                    if (navigation.hasKey("namespacePage." + (namespaces.size() - 1))) {
+                        grid.setPage(navigation.getInteger("namespacePage." + (namespaces.size() - 1)));;
+                    }
+
+                    if (settings.get("viewmode") != null) {
+                        grid.groups.get(BookmarkGrid.DEFAULT_GROUP_ID).viewMode = BookmarkViewMode
+                                .valueOf(settings.get("viewmode").getAsString());
+                    } else if (settings.get("groups") instanceof JsonObject jsonObject) {
+                        BookmarkGroup group;
+
+                        for (Map.Entry<String, JsonElement> jsonEntry : jsonObject.entrySet()) {
+                            if (jsonEntry.getValue() instanceof JsonObject value) {
+                                group = new BookmarkGroup(
+                                        value.has("viewmode")
+                                                ? BookmarkViewMode.valueOf(value.get("viewmode").getAsString())
+                                                : BookmarkViewMode.DEFAULT,
+                                        value.has("crafting") && value.get("crafting").getAsBoolean());
+
+                                group.collapsed = value.has("collapsed") && value.get("collapsed").getAsBoolean();
+
+                                if (value.has("collapsedRecipes")) {
+                                    for (JsonElement recipeId : value.get("collapsedRecipes").getAsJsonArray()) {
+                                        if (recipeId instanceof JsonObject item) {
+                                            group.collapsedRecipes.add(RecipeId.of(item));
+                                        }
+                                    }
+                                }
+
+                                grid.groups.put(Integer.valueOf(jsonEntry.getKey()), group);
+                            }
+                        }
+                    }
+
+                    continue;
+                }
+
+                if (!addItemToGrid(grid, parser.parse(itemStr).getAsJsonObject())) {
+                    NEIClientConfig.logger.warn(
+                            "Failed to load bookmarked ItemStack from json string, the item no longer exists:\n{}",
+                            itemStr);
+                }
+
+            } catch (IllegalArgumentException | JsonSyntaxException | IllegalStateException e) {
+                NEIClientConfig.logger.error("Failed to load bookmarked ItemStack from json string:\n{}", itemStr);
+            }
+        }
+
+        prepareOldRecipeFormat(namespaces);
+
+        for (BookmarkGrid gr : namespaces) {
+            gr.onItemsChanged();
+        }
+
+        this.namespaces = namespaces;
+
+        if (navigation.hasKey("namespaceIndex")) {
+            setNamespace(navigation.getInteger("namespaceIndex"));
+        } else {
+            setNamespace(0);
+        }
+
+        this.bookmarkFile = bookmarkFile;
+    }
+
+    private boolean addItemToGrid(BookmarkGrid grid, JsonObject jsonObject) {
+        NBTTagCompound itemStackNBT;
+
+        if (jsonObject.get("item") != null) {
+            itemStackNBT = (NBTTagCompound) NBTJson.toNbt(jsonObject.get("item"));
+        } else { // old format
+            itemStackNBT = (NBTTagCompound) NBTJson.toNbt(jsonObject);
+        }
+
+        ItemStack itemStack = StackInfo.loadFromNBT(itemStackNBT);
+
+        if (itemStack != null) {
+            RecipeId recipeId = null;
+            boolean isFluid = itemStackNBT.hasKey("gtFluidName");
+            int groupId = jsonObject.has("groupId") ? jsonObject.get("groupId").getAsInt()
+                    : BookmarkGrid.DEFAULT_GROUP_ID;
+            int factor = jsonObject.has("factor") ? Math.abs(jsonObject.get("factor").getAsInt()) : (isFluid ? 144 : 1);
+            boolean isIngredient = jsonObject.has("ingredient") && jsonObject.get("ingredient").getAsBoolean();
+
+            if (jsonObject.get("recipeId") instanceof JsonObject recipeJson) {
+                recipeId = RecipeId.of(recipeJson);
+            }
+
+            if (!grid.groups.containsKey(groupId)) {
+                groupId = BookmarkGrid.DEFAULT_GROUP_ID;
+            }
+
+            grid.addItem(BookmarkItem.of(groupId, itemStack, factor, recipeId, isIngredient), false);
+        }
+
+        return itemStack != null;
+    }
+
+    private void prepareOldRecipeFormat(List<BookmarkGrid> namespaces) {
+
+        for (BookmarkGrid grid : namespaces) {
+            if (grid.bookmarkItems.stream()
+                    .noneMatch(item -> item.recipeId != null && item.recipeId.getResult() == null)) {
+                continue;
+            }
+
+            final Map<String, RecipeId> recipes = new HashMap<>();
+
+            for (BookmarkItem item : grid.bookmarkItems) {
+                if (item.recipeId != null && !item.isIngredient && item.recipeId.getResult() == null) {
+                    final JsonObject recipeJson = item.recipeId.toJsonObject();
+                    final String recipeGUID = item.groupId + ":" + NBTJson.toJson(recipeJson);
+
+                    if (!recipes.containsKey(recipeGUID)) {
+                        recipeJson.add("result", NBTJson.toJsonObject(StackInfo.itemStackToNBT(item.itemStack)));
+                        recipes.put(recipeGUID, item.recipeId = RecipeId.of(recipeJson));
+                    }
+                }
+            }
+
+            for (BookmarkItem item : grid.bookmarkItems) {
+                if (item.recipeId != null && item.recipeId.getResult() == null) {
+                    final JsonObject recipeJson = item.recipeId.toJsonObject();
+                    final String recipeGUID = item.groupId + ":" + NBTJson.toJson(recipeJson);
+
+                    if (recipes.containsKey(recipeGUID)) {
+                        item.recipeId = recipes.get(recipeGUID).copy();
+                        item.permutations = BookmarkItem
+                                .generatePermutations(item.itemStack, item.recipeId, item.isIngredient);
+                    } else {
+                        item.recipeId = null;
+                    }
+                }
+            }
+        }
+    }
+
+    public void save() {
+
+        if (this.bookmarkFile == null) {
+            return;
+        }
+
+        List<String> strings = new ArrayList<>();
+        NBTTagCompound navigation = new NBTTagCompound();
+        navigation.setInteger("namespaceIndex", this.activeNamespaceIndex);
+
+        for (int grpIdx = 0; grpIdx < namespaces.size(); grpIdx++) {
+            BookmarkGrid grid = namespaces.get(grpIdx);
+            JsonObject settings = new JsonObject();
+            JsonObject groups = new JsonObject();
+
+            for (int groupId : grid.groups.keySet()) {
+                BookmarkGroup group = grid.groups.get(groupId);
+                JsonObject groupJson = new JsonObject();
+                groupJson.add("viewmode", new JsonPrimitive(group.viewMode.toString()));
+                groupJson.add("crafting", new JsonPrimitive(group.crafting != null));
+                groupJson.add("collapsed", new JsonPrimitive(group.collapsed));
+
+                if (!group.collapsedRecipes.isEmpty()) {
+                    JsonArray collapsedRecipes = new JsonArray();
+                    for (RecipeId recipeId : group.collapsedRecipes) {
+                        collapsedRecipes.add(recipeId.toJsonObject());
+                    }
+                    groupJson.add("collapsedRecipes", collapsedRecipes);
+                }
+
+                groups.add(String.valueOf(groupId), groupJson);
+            }
+
+            settings.add("groups", groups);
+            strings.add("; " + NBTJson.toJson(settings));
+
+            navigation.setInteger("namespacePage." + grpIdx, grid.getPage() - 1);
+
+            for (BookmarkItem item : grid.bookmarkItems) {
+                try {
+                    JsonObject row = new JsonObject();
+
+                    row.add("item", NBTJson.toJsonObject(StackInfo.itemStackToNBT(item.getItemStack())));
+                    row.add("factor", new JsonPrimitive(item.getFactor()));
+                    row.add("ingredient", new JsonPrimitive(item.isIngredient));
+
+                    if (item.groupId != BookmarkGrid.DEFAULT_GROUP_ID) {
+                        row.add("groupId", new JsonPrimitive(item.groupId));
+                    }
+
+                    if (item.recipeId != null) {
+                        row.add("recipeId", item.recipeId.toJsonObject());
+                    }
+
+                    strings.add(NBTJson.toJson(row));
+                } catch (JsonSyntaxException e) {
+                    NEIClientConfig.logger.error("Failed to stringify bookmarked ItemStack to json string");
+                }
+            }
+        }
+
+        try (FileOutputStream output = new FileOutputStream(bookmarkFile)) {
+            IOUtils.writeLines(strings, "\n", output, StandardCharsets.UTF_8);
+            NEIClientConfig.world.nbt.setTag("bookmark", navigation);
+        } catch (IOException e) {
+            NEIClientConfig.logger.error("Filed to save bookmarks list to file {}", bookmarkFile, e);
+        }
+    }
+
+}

src/main/java/codechicken/nei/bookmark/BookmarksGridSlot.java

@@ -0,0 +1,322 @@
+package codechicken.nei.bookmark;
+
+import java.awt.Color;
+
+import net.minecraft.item.ItemStack;
+
+import codechicken.lib.vec.Rectangle4i;
+import codechicken.nei.BookmarkPanel.BookmarkViewMode;
+import codechicken.nei.ItemPanels;
+import codechicken.nei.ItemsGrid.ItemsGridSlot;
+import codechicken.nei.ItemsGrid.MouseContext;
+import codechicken.nei.NEIClientConfig;
+import codechicken.nei.NEIClientUtils;
+import codechicken.nei.NEIClientUtils.Alignment;
+import codechicken.nei.bookmark.BookmarkGrid.BookmarkMouseContext;
+import codechicken.nei.bookmark.RecipeChainDetails.CalculatedType;
+import codechicken.nei.recipe.Recipe.RecipeId;
+import codechicken.nei.recipe.StackInfo;
+import codechicken.nei.util.ReadableNumberConverter;
+
+public class BookmarksGridSlot extends ItemsGridSlot {
+
+    protected enum ShownItemType {
+        REAL,
+        SHIFT,
+        CALCULATED
+    }
+
+    protected static final float LINE_WIDTH = 0.75f;
+
+    protected static final Color INGREDIENTS_COLOR = new Color(0x6645DA75, true);
+
+    protected static final Color RESULTS_COLOR = new Color(0x9966CCFF, true);
+    protected static final Color RESULTS_BG_COLOR = new Color(0x3366CCFF, true);
+    protected static final Color RESULTS_BG_FLUID_COLOR = new Color(0x5566CCFF, true);
+
+    protected static final Color REMAINDER_COLOR = new Color(0x55A033A0, true);
+    protected static final Color REMAINDER_BG_COLOR = new Color(0x33A033A0, true);
+    protected static final Color REMAINDER_BG_FLUID_COLOR = new Color(0x44A033A0, true);
+
+    protected final ItemStack emptyItemStack;
+    protected final long realAmount;
+    protected final long shiftAmount;
+    protected final long calculatedAmount;
+
+    protected final long realMultiplier;
+    protected final long calculatedMultiplier;
+
+    protected final BookmarkGroup group;
+    protected final boolean isFluidDisplay;
+    protected final CalculatedType calculatedType;
+    protected final CalculatedType realType;
+    protected final BookmarkItem bookmarkItem;
+
+    protected final boolean isOutputRecipe;
+    protected final boolean isFirstOutput;
+    protected final int rowIndex;
+
+    public BookmarksGridSlot(int slotIndex, int itemIndex, long realAmount, long shiftAmount, long calculatedAmount,
+            BookmarkItem bookmarkItem, CalculatedType calculatedType, BookmarkGroup group) {
+        super(
+                slotIndex,
+                itemIndex,
+                calculatedType != null ? bookmarkItem.getItemStack(calculatedAmount)
+                        : bookmarkItem.getItemStack(realAmount));
+
+        this.emptyItemStack = bookmarkItem.getItemStack(0);
+        this.realAmount = realAmount;
+        this.shiftAmount = shiftAmount;
+        this.calculatedAmount = calculatedAmount;
+
+        this.group = group;
+        this.calculatedType = calculatedType;
+        this.bookmarkItem = bookmarkItem;
+
+        this.isOutputRecipe = group.crafting != null && group.crafting.outputRecipes.contains(bookmarkItem.recipeId);
+        this.isFluidDisplay = StackInfo.itemStackToNBT(bookmarkItem.itemStack).hasKey("gtFluidName");
+
+        this.realMultiplier = bookmarkItem.getMultiplier(realAmount);
+        this.calculatedMultiplier = bookmarkItem.getMultiplier(calculatedAmount);
+
+        if (this.group.crafting != null && this.group.crafting.calculatedItems.containsKey(this.itemIndex)) {
+            this.realType = this.group.crafting.calculatedItems.get(this.itemIndex).calculatedType
+                    == CalculatedType.INGREDIENT ? CalculatedType.INGREDIENT : CalculatedType.RESULT;
+        } else {
+            this.realType = this.bookmarkItem.isIngredient
+                    || this.group.crafting != null && this.bookmarkItem.recipeId == null ? CalculatedType.INGREDIENT
+                            : CalculatedType.RESULT;
+        }
+
+        final BookmarkGrid grid = ItemPanels.bookmarkPanel.getGrid();
+        final BookmarkItem prevItem = grid.getCalculatedItem(
+                grid.gridGenerator.slotToItem.getOrDefault(grid.gridGenerator.itemToSlot.get(this.itemIndex) - 1, -1));
+        this.isFirstOutput = this.itemIndex >= 0 && !this.bookmarkItem.isIngredient
+                && ((this.slotIndex % grid.getColumns()) == 0 || group.viewMode == BookmarkViewMode.DEFAULT)
+                && (prevItem == null || prevItem.isIngredient || !this.bookmarkItem.equalsRecipe(prevItem));
+        this.rowIndex = this.slotIndex / grid.getColumns();
+    }
+
+    public long getMultiplier() {
+        return this.calculatedType != null ? this.calculatedMultiplier : this.realMultiplier;
+    }
+
+    public BookmarkItem getBookmarkItem() {
+        return this.bookmarkItem;
+    }
+
+    public RecipeId getRecipeId() {
+        return this.bookmarkItem.recipeId;
+    }
+
+    public boolean isIngredient() {
+        return this.bookmarkItem.isIngredient;
+    }
+
+    public BookmarkGroup getGroup() {
+        return this.group;
+    }
+
+    public int getGroupId() {
+        return this.bookmarkItem.groupId;
+    }
+
+    protected ShownItemType getShownItemType(BookmarkMouseContext mouseContext) {
+
+        if (mouseContext != null) {
+            if (this.showShiftItem(mouseContext)) {
+                return ShownItemType.SHIFT;
+            } else if (this.showRealItem(mouseContext)) {
+                return ShownItemType.REAL;
+            }
+        }
+
+        if (this.calculatedType != null) {
+            return ShownItemType.CALCULATED;
+        }
+
+        return null;
+    }
+
+    protected boolean showShiftItem(BookmarkMouseContext mouseContext) {
+
+        if (!mouseContext.shiftKey || this.bookmarkItem.groupId != mouseContext.groupId) {
+            return false;
+        }
+
+        if (this.group.crafting != null) {
+            return true;
+        }
+
+        return this.bookmarkItem.equalsRecipe(mouseContext.recipeId, mouseContext.groupId);
+    }
+
+    protected boolean showRealItem(BookmarkMouseContext mouseContext) {
+
+        if (!mouseContext.controlKey || this.bookmarkItem.groupId != mouseContext.groupId) {
+            return false;
+        }
+
+        if (this.slotIndex == mouseContext.slotIndex || this.group.collapsed) {
+            return true;
+        }
+
+        if (mouseContext.recipeId == null && this.group.viewMode == BookmarkViewMode.TODO_LIST
+                && mouseContext.rowIndex == this.rowIndex) {
+            return true;
+        }
+
+        if (this.bookmarkItem.equalsRecipe(mouseContext.recipeId, mouseContext.groupId)) {
+            return true;
+        }
+
+        return this.group.crafting != null && mouseContext.recipeId != null
+                && mouseContext.recipeId.equals(this.group.crafting.itemToRecipe.get(this.itemIndex));
+    }
+
+    @Override
+    public void drawItem(Rectangle4i rect) {
+        super.drawItem(this.emptyItemStack, rect);
+    }
+
+    @Override
+    public <M extends MouseContext> void beforeDraw(Rectangle4i rect, M mouseContext) {
+        final ShownItemType shownItemType = getShownItemType((BookmarkMouseContext) mouseContext);
+        boolean showMarker = NEIClientConfig.showRecipeMarkerMode() == 2;
+        CalculatedType calculatedType = null;
+
+        if (shownItemType == ShownItemType.REAL) {
+            calculatedType = this.realType;
+        } else if (shownItemType == ShownItemType.SHIFT) {
+
+            if (this.calculatedType != null) {
+                calculatedType = this.shiftAmount > 0 ? this.calculatedType : null;
+                showMarker = false;
+            } else if (group.crafting == null) {
+                calculatedType = this.realType;
+            }
+
+        }
+
+        if (!this.bookmarkItem.isIngredient && this.bookmarkItem.recipeId != null
+                && calculatedType == null
+                && showMarker
+                && (mouseContext == null || mouseContext.slotIndex != this.slotIndex)) {
+            drawMerkerBackground(rect);
+        }
+
+        if (calculatedType == null || !drawBackground(rect, calculatedType)) {
+            super.beforeDraw(rect, mouseContext);
+        }
+    }
+
+    protected boolean drawBackground(Rectangle4i rect, CalculatedType calculatedType) {
+
+        switch (calculatedType) {
+            case INGREDIENT:
+                NEIClientUtils.drawRect(rect.x, rect.y, rect.w, rect.h, INGREDIENTS_COLOR);
+                break;
+            case RESULT:
+                NEIClientUtils.drawRect(rect.x, rect.y, rect.w, rect.h, RESULTS_COLOR);
+                break;
+            case REMAINDER:
+                NEIClientUtils.drawRect(rect.x, rect.y, rect.w, rect.h, REMAINDER_COLOR);
+                break;
+            default:
+                return false;
+        }
+
+        return true;
+    }
+
+    protected void drawMerkerBackground(Rectangle4i rect) {
+        Color color = this.isFluidDisplay ? RESULTS_BG_FLUID_COLOR : RESULTS_BG_COLOR;
+
+        if (this.shiftAmount > 0 && this.calculatedType == CalculatedType.REMAINDER) {
+            color = this.isFluidDisplay ? REMAINDER_BG_FLUID_COLOR : REMAINDER_BG_COLOR;
+        }
+
+        NEIClientUtils.drawRect(rect.x, rect.y, rect.w, rect.h, color);
+    }
+
+    @Override
+    public <M extends MouseContext> void afterDraw(Rectangle4i rect, M mouseContext) {
+        final ShownItemType shownItemType = getShownItemType((BookmarkMouseContext) mouseContext);
+
+        drawStackSize(rect, shownItemType);
+
+        if (this.bookmarkItem.isIngredient || this.bookmarkItem.recipeId == null) {
+            return;
+        }
+
+        if (this.isFirstOutput) {
+            if (shownItemType == ShownItemType.REAL) {
+                drawMarker(
+                        rect,
+                        "x" + ReadableNumberConverter.INSTANCE.toWideReadableForm(this.realMultiplier),
+                        0xFFFFFF);
+            } else if (shownItemType == ShownItemType.SHIFT) {
+                drawMarker(rect, "x" + ReadableNumberConverter.INSTANCE.toWideReadableForm(getMultiplier()), 0xFFFFFF);
+            } else if (this.isOutputRecipe || this.realMultiplier > 1) {
+                drawMarker(
+                        rect,
+                        "x" + ReadableNumberConverter.INSTANCE.toWideReadableForm(this.realMultiplier),
+                        NEIClientConfig.getSetting("inventory.bookmarks.recipeMarkerColor").getHexValue());
+            } else if (NEIClientConfig.showRecipeMarkerMode() == 1) {
+                drawMarker(
+                        rect,
+                        "R",
+                        NEIClientConfig.getSetting("inventory.bookmarks.recipeMarkerColor").getHexValue());
+            }
+        } else if (NEIClientConfig.showRecipeMarkerMode() == 1) {
+            drawMarker(rect, "R", NEIClientConfig.getSetting("inventory.bookmarks.recipeMarkerColor").getHexValue());
+        }
+
+    }
+
+    protected void drawMarker(Rectangle4i rect, String text, int color) {
+        final float panelFactor = (rect.w - 2) / (DEFAULT_SLOT_SIZE - 2);
+        NEIClientUtils.drawNEIOverlayText(
+                text,
+                new Rectangle4i(rect.x + 1, rect.y + 1, rect.w - 2, rect.h - 2),
+                panelFactor,
+                color,
+                true,
+                Alignment.TopLeft);
+    }
+
+    protected void drawStackSize(Rectangle4i rect, ShownItemType shownItemType) {
+        long amount = this.calculatedAmount;
+
+        if (shownItemType == null || shownItemType == ShownItemType.REAL || this.calculatedType == null) {
+            amount = this.realAmount;
+        } else if (shownItemType == ShownItemType.SHIFT) {
+            amount = this.shiftAmount;
+        }
+
+        if (amount > 0 || shownItemType == ShownItemType.REAL && this.bookmarkItem.factor > 0) {
+            final float panelFactor = (rect.w - 2) / (DEFAULT_SLOT_SIZE - 2);
+            final long stackSize = this.bookmarkItem.getStackSize(amount);
+            String amountString = "";
+
+            if (stackSize < 10_000) {
+                amountString = String.valueOf(stackSize);
+            } else {
+                amountString = ReadableNumberConverter.INSTANCE.toWideReadableForm(stackSize);
+            }
+
+            if (this.isFluidDisplay) {
+                amountString += "L";
+            }
+
+            NEIClientUtils.drawNEIOverlayText(
+                    amountString,
+                    new Rectangle4i(rect.x + 1, rect.y + 1, rect.w - 2, rect.h - 2),
+                    panelFactor,
+                    0xFFFFFF,
+                    true,
+                    this.isFluidDisplay ? Alignment.BottomLeft : Alignment.BottomRight);
+        }
+    }
+
+}

src/main/java/codechicken/nei/bookmark/GroupingItem.java

@@ -0,0 +1,190 @@
+package codechicken.nei.bookmark;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import codechicken.nei.BookmarkPanel.BookmarkViewMode;
+import codechicken.nei.recipe.Recipe.RecipeId;
+
+public class GroupingItem {
+
+    public static class PointEntry {
+
+        public int cursorRowIndex;
+        public int topRowIndex;
+        public int bottomRowIndex;
+
+        public PointEntry(int clickSlotIndex, int topSlotIndex, int bottomSlotIndex) {
+            this.cursorRowIndex = clickSlotIndex;
+            this.topRowIndex = topSlotIndex;
+            this.bottomRowIndex = bottomSlotIndex;
+        }
+    }
+
+    public BookmarkGrid grid;
+
+    public int groupId = -1;
+    public PointEntry startPoint;
+    public PointEntry endPoint;
+
+    public GroupingItem(BookmarkGrid grid, int groupId, int overRowIndex) {
+        this.groupId = groupId;
+        this.grid = grid;
+        setStartPoint(overRowIndex);
+    }
+
+    public void setStartPoint(int overRowIndex) {
+
+        if (this.grid.getRowItemIndex(overRowIndex, true) != Integer.MIN_VALUE) {
+            this.startPoint = new PointEntry(
+                    overRowIndex + getRowShift(),
+                    getTopRowIndex(overRowIndex),
+                    getBottomRowIndex(overRowIndex));
+        } else {
+            this.startPoint = new PointEntry(overRowIndex + getRowShift(), -1, -1);
+        }
+
+    }
+
+    public void setEndPoint(int overRowIndex) {
+        if (this.grid.getRowItemIndex(overRowIndex, true) != Integer.MIN_VALUE) {
+            this.endPoint = new PointEntry(
+                    overRowIndex + getRowShift(),
+                    getTopRowIndex(overRowIndex),
+                    getBottomRowIndex(overRowIndex));
+        }
+    }
+
+    public int getStartSlotIndex() {
+        return this.startPoint.cursorRowIndex - getRowShift();
+    }
+
+    public int getEndSlotIndex() {
+        return this.endPoint != null ? this.endPoint.cursorRowIndex - getRowShift() : 0;
+    }
+
+    public boolean hasEndRow() {
+        return this.endPoint != null;
+    }
+
+    private int getRowShift() {
+        return (this.grid.getPage() - 1) * this.grid.getRows();
+    }
+
+    public Map<Integer, Integer> prepareGroups(Map<Integer, Integer> groups) {
+        final int topRowIndex = Math.min(this.startPoint.topRowIndex, this.endPoint.topRowIndex);
+        final int bottomRowIndex = Math.max(this.startPoint.bottomRowIndex, this.endPoint.bottomRowIndex);
+        groups = new HashMap<>(groups);
+
+        if (this.groupId != BookmarkGrid.DEFAULT_GROUP_ID) {
+
+            if (this.startPoint.cursorRowIndex > this.endPoint.cursorRowIndex) {
+                int rowIndex = this.endPoint.topRowIndex - 1;
+
+                while (groups.containsKey(rowIndex) && groups.get(rowIndex) == this.groupId) {
+                    groups.put(rowIndex--, BookmarkGrid.DEFAULT_GROUP_ID);
+                }
+
+            } else if (this.startPoint.cursorRowIndex < this.endPoint.cursorRowIndex) {
+                int rowIndex = this.endPoint.bottomRowIndex + 1;
+
+                while (groups.containsKey(rowIndex) && groups.get(rowIndex) == this.groupId) {
+                    groups.put(rowIndex++, BookmarkGrid.DEFAULT_GROUP_ID);
+                }
+            }
+
+        } else if (groups.containsKey(topRowIndex - 1)
+                && groups.get(topRowIndex - 1).equals(groups.get(bottomRowIndex + 1))) {
+                    int groupId = groups.get(bottomRowIndex);
+                    int rowIndex = bottomRowIndex + 1;
+
+                    while (groups.containsKey(rowIndex) && groups.get(rowIndex) == groupId) {
+                        groups.put(rowIndex, -1 * groups.get(rowIndex));
+                        rowIndex++;
+                    }
+                }
+
+        for (int rowIndex = topRowIndex; rowIndex <= bottomRowIndex && groups.containsKey(rowIndex); rowIndex++) {
+            groups.put(rowIndex, this.groupId);
+        }
+
+        return groups;
+    }
+
+    protected int getTopRowIndex(int overRowIndex) {
+        final int rowShift = getRowShift();
+        int itemIndex = this.grid.getRowItemIndex(overRowIndex, true);
+
+        if (itemIndex == Integer.MIN_VALUE) {
+            return -1;
+        }
+
+        final BookmarkItem item = this.grid.getCalculatedItem(itemIndex);
+
+        if (item.recipeId != null) {
+            final List<Integer> sortedItems = this.grid.getSortedItems();
+            final BookmarkGroup group = this.grid.getGroup(item.groupId);
+            final boolean isCollapsedGroup = group.collapsed
+                    || group.crafting != null && group.viewMode == BookmarkViewMode.DEFAULT;
+            final RecipeId recipeId = group.crafting != null
+                    ? group.crafting.itemToRecipe.getOrDefault(itemIndex, item.recipeId)
+                    : item.recipeId;
+            final Set<RecipeId> recipeRelations = group.crafting != null
+                    ? group.crafting.recipeRelations.getOrDefault(recipeId, Collections.singleton(recipeId))
+                    : Collections.singleton(recipeId);
+
+            for (Integer rItemIndex : sortedItems) {
+                final BookmarkItem rItem = this.grid.getCalculatedItem(rItemIndex);
+
+                if (rItem.groupId == item.groupId && (isCollapsedGroup || recipeRelations.contains(rItem.recipeId))) {
+                    return this.grid.getAbsoluteSlotIndex(rItemIndex) / this.grid.getColumns();
+                }
+            }
+
+            return -1;
+        }
+
+        return rowShift + overRowIndex;
+    }
+
+    protected int getBottomRowIndex(int overRowIndex) {
+        final int rowShift = getRowShift();
+        final int itemIndex = this.grid.getRowItemIndex(overRowIndex, false);
+
+        if (itemIndex == Integer.MIN_VALUE) {
+            return -1;
+        }
+
+        final BookmarkItem item = this.grid.getCalculatedItem(itemIndex);
+
+        if (item.recipeId != null) {
+            final List<Integer> sortedItems = this.grid.getSortedItems();
+            final BookmarkGroup group = this.grid.getGroup(item.groupId);
+            final boolean isCollapsedGroup = group.collapsed
+                    || group.crafting != null && group.viewMode == BookmarkViewMode.DEFAULT;
+            final RecipeId recipeId = group.crafting != null
+                    ? group.crafting.itemToRecipe.getOrDefault(itemIndex, item.recipeId)
+                    : item.recipeId;
+            final Set<RecipeId> recipeRelations = group.crafting != null
+                    ? group.crafting.recipeRelations.getOrDefault(recipeId, Collections.singleton(recipeId))
+                    : Collections.singleton(recipeId);
+
+            for (int index = sortedItems.size() - 1; index >= 0; index--) {
+                final int rItemIndex = sortedItems.get(index);
+                final BookmarkItem rItem = this.grid.getCalculatedItem(rItemIndex);
+
+                if (rItem.groupId == item.groupId && (isCollapsedGroup || recipeRelations.contains(rItem.recipeId))) {
+                    return this.grid.getAbsoluteSlotIndex(rItemIndex) / this.grid.getColumns();
+                }
+            }
+
+            return -1;
+        }
+
+        return rowShift + overRowIndex;
+    }
+
+}

src/main/java/codechicken/nei/bookmark/RecipeChainDetails.java

@@ -0,0 +1,374 @@
+package codechicken.nei.bookmark;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import net.minecraft.item.ItemStack;
+
+import codechicken.nei.recipe.Recipe.RecipeId;
+import codechicken.nei.recipe.StackInfo;
+import codechicken.nei.recipe.chain.RecipeChainMath;
+
+public class RecipeChainDetails {
+
+    public enum CalculatedType {
+
+        INGREDIENT,
+        RESULT,
+        REMAINDER;
+
+        public int toInt() {
+            switch (this) {
+                case RESULT:
+                    return 0;
+                case REMAINDER:
+                    return 1;
+                case INGREDIENT:
+                    return 2;
+            }
+            return -1;
+        }
+    }
+
+    public static class BookmarkChainItem {
+
+        private final BookmarkItem item;
+
+        private long realAmount = 0L;
+        private long shiftAmount = 0L;
+        private long calculatedAmount = 0L;
+
+        public CalculatedType calculatedType;
+
+        protected BookmarkChainItem(BookmarkItem item, long shiftItem, long calculatedItem,
+                CalculatedType calculatedType) {
+            this.item = item.copy();
+            this.shiftAmount = shiftItem;
+            this.calculatedAmount = calculatedItem;
+            this.calculatedType = calculatedType;
+        }
+
+        public static BookmarkChainItem of(BookmarkItem item, long shiftItem, long calculatedAmount,
+                CalculatedType calculatedType) {
+            return new BookmarkChainItem(item, shiftItem, calculatedAmount, calculatedType);
+        }
+
+        public static BookmarkChainItem of(BookmarkItem item, long shiftItem, CalculatedType calculatedType) {
+            return new BookmarkChainItem(item, shiftItem, item.amount, calculatedType);
+        }
+
+        public static BookmarkChainItem of(BookmarkItem item) {
+            return new BookmarkChainItem(
+                    item,
+                    item.amount,
+                    item.amount,
+                    item.isIngredient ? CalculatedType.INGREDIENT : CalculatedType.RESULT);
+        }
+
+        public ItemStack getItemStack(long amount) {
+            return this.item.getItemStack(amount);
+        }
+
+        public void setRealAmount(long amount) {
+            this.realAmount = amount;
+        }
+
+        public long getRealAmount() {
+            return this.realAmount;
+        }
+
+        public long getShiftAmount() {
+            return this.shiftAmount;
+        }
+
+        public long getCalculatedAmount() {
+            return this.calculatedAmount;
+        }
+
+        public BookmarkItem getItem() {
+            return this.item;
+        }
+
+        public void append(long amount, long calculatedAmount) {
+            this.shiftAmount += amount;
+            this.calculatedAmount += calculatedAmount;
+            this.item.amount = this.calculatedAmount;
+        }
+    }
+
+    public final Map<Integer, BookmarkChainItem> calculatedItems = new HashMap<>();
+    public final Map<Integer, RecipeId> itemToRecipe = new HashMap<>();
+    public final Set<RecipeId> outputRecipes = new HashSet<>();
+    public final Set<RecipeId> recipeInMiddle = new HashSet<>();
+
+    public final Map<RecipeId, Set<RecipeId>> recipeRelations = new HashMap<>();
+
+    public void refresh(Map<Integer, BookmarkItem> chainItems, Set<RecipeId> collapsedRecipes) {
+        final Map<BookmarkItem, Integer> sortingChainItems = new HashMap<>();
+
+        for (Map.Entry<Integer, BookmarkItem> entry : chainItems.entrySet()) {
+            sortingChainItems.put(entry.getValue(), entry.getKey());
+        }
+
+        this.itemToRecipe.clear();
+        this.outputRecipes.clear();
+        this.recipeInMiddle.clear();
+        this.calculatedItems.clear();
+        this.recipeRelations.clear();
+        final RecipeChainMath math = RecipeChainMath.of(new ArrayList<>(chainItems.values()), collapsedRecipes)
+                .refresh();
+
+        this.outputRecipes.addAll(math.outputRecipes.keySet());
+
+        for (BookmarkItem item : math.preferredItems.values()) {
+            if (item != null && item.recipeId != null) {
+                this.recipeInMiddle.add(item.recipeId);
+            }
+        }
+
+        for (BookmarkItem item : math.initialItems) {
+            this.calculatedItems.put(
+                    sortingChainItems.get(item),
+                    BookmarkChainItem.of(item, math.requiredAmount.getOrDefault(item, 0L), CalculatedType.INGREDIENT));
+        }
+
+        if (collapsedRecipes.isEmpty()) {
+
+            for (BookmarkItem item : math.recipeResults) {
+                generateResult(math, item, sortingChainItems.get(item));
+            }
+
+            for (BookmarkItem item : math.recipeIngredients) {
+                generateIngredient(math, item, sortingChainItems.get(item));
+            }
+
+        } else {
+            final Set<RecipeId> topLevelRecipes = findTopLevelRecipes(math, collapsedRecipes);
+
+            for (RecipeId recipeId : collapsedRecipes) {
+                this.recipeRelations.put(
+                        recipeId,
+                        getRecipeRelations(math, recipeId, topLevelRecipes, new HashSet<>(Arrays.asList(recipeId))));
+                generateCollapsedRecipe(math, recipeId, topLevelRecipes, sortingChainItems);
+                generateShadowItems(recipeId, chainItems.values(), sortingChainItems);
+            }
+
+            for (BookmarkItem item : math.recipeResults) {
+                if (!collapsedRecipes.contains(item.recipeId) && topLevelRecipes.contains(item.recipeId)) {
+                    generateResult(math, item, sortingChainItems.get(item));
+                }
+            }
+
+            for (BookmarkItem item : math.recipeIngredients) {
+                if (!collapsedRecipes.contains(item.recipeId) && topLevelRecipes.contains(item.recipeId)) {
+                    generateIngredient(math, item, sortingChainItems.get(item));
+                }
+            }
+
+        }
+
+        for (Map.Entry<Integer, BookmarkItem> entry : chainItems.entrySet()) {
+            final int itemIndex = entry.getKey();
+            if (itemIndex >= 0 && this.calculatedItems.containsKey(itemIndex)) {
+                final BookmarkItem item = entry.getValue();
+                if (this.recipeInMiddle.contains(item.recipeId)) {
+                    this.calculatedItems.get(itemIndex).setRealAmount(item.amount);
+                } else {
+                    this.calculatedItems.get(itemIndex).setRealAmount(Math.max(item.factor, item.amount));
+                }
+            }
+        }
+
+    }
+
+    private Set<RecipeId> getRecipeRelations(RecipeChainMath math, RecipeId recipeId, Set<RecipeId> topLevelRecipes,
+            Set<RecipeId> recipes) {
+
+        for (BookmarkItem item : math.recipeIngredients) {
+            if (item.recipeId.equals(recipeId)) {
+                final BookmarkItem prefItem = math.preferredItems.get(item);
+                if (prefItem != null && !topLevelRecipes.contains(prefItem.recipeId)
+                        && recipes.add(prefItem.recipeId)) {
+                    getRecipeRelations(math, prefItem.recipeId, topLevelRecipes, recipes);
+                }
+            }
+        }
+
+        return recipes;
+    }
+
+    private void generateCollapsedRecipe(RecipeChainMath math, RecipeId recipeId, Set<RecipeId> topLevelRecipes,
+            Map<BookmarkItem, Integer> sortingChainItems) {
+
+        final List<BookmarkChainItem> items = collectItems(
+                math,
+                recipeId,
+                this.recipeRelations.get(recipeId),
+                topLevelRecipes);
+
+        for (BookmarkChainItem value : items) {
+            int itemIndex = sortingChainItems.get(value.getItem());
+
+            if (value.getItem().isIngredient || !recipeId.equals(value.getItem().recipeId)) {
+                itemIndex *= -1;
+            }
+
+            if (!value.getItem().isIngredient && !math.outputRecipes.containsKey(value.getItem().recipeId)) {
+                value.calculatedType = CalculatedType.REMAINDER;
+            }
+
+            this.itemToRecipe.put(itemIndex, recipeId);
+            this.calculatedItems.put(itemIndex, value);
+        }
+    }
+
+    private void generateShadowItems(RecipeId recipeId, Iterable<BookmarkItem> chainItems,
+            Map<BookmarkItem, Integer> sortingChainItems) {
+        final Set<RecipeId> recipeRelations = this.recipeRelations.get(recipeId);
+        final List<BookmarkItem> subChainItems = new ArrayList<>();
+
+        for (BookmarkItem item : chainItems) {
+            if (recipeRelations.contains(item.recipeId)) {
+                subChainItems.add(item.copyWithAmount(recipeId.equals(item.recipeId) ? item.amount : 0));
+            }
+        }
+
+        final RecipeChainMath math = RecipeChainMath.of(subChainItems, Collections.emptySet()).refresh();
+        final List<BookmarkChainItem> items = collectItems(
+                math,
+                recipeId,
+                this.recipeRelations.get(recipeId),
+                Collections.emptySet());
+
+        for (BookmarkChainItem value : items) {
+            int itemIndex = sortingChainItems.get(value.getItem());
+
+            if (value.getItem().isIngredient || !recipeId.equals(value.getItem().recipeId)) {
+                itemIndex *= -1;
+            }
+
+            if (this.calculatedItems.containsKey(itemIndex)) {
+                this.calculatedItems.get(itemIndex).setRealAmount(value.getShiftAmount());
+            }
+        }
+
+    }
+
+    private List<BookmarkChainItem> collectItems(RecipeChainMath math, RecipeId recipeId, Set<RecipeId> recipeRelations,
+            Set<RecipeId> topLevelRecipes) {
+        final Map<String, BookmarkChainItem> items = new HashMap<>();
+        final Map<RecipeId, Long> multiplier = new HashMap<>();
+
+        for (RecipeId relRecipeId : recipeRelations) {
+            for (BookmarkItem item : math.recipeResults) {
+                if (item.recipeId.equals(relRecipeId)) {
+                    final long amount = item.amount - math.requiredAmount.getOrDefault(item, 0L);
+
+                    if (item.recipeId.equals(recipeId)) {
+                        multiplier.put(item.recipeId, item.getMultiplier());
+                        items.computeIfAbsent(
+                                StackInfo.getItemStackGUID(item.itemStack),
+                                is -> BookmarkChainItem.of(item, 0, 0, CalculatedType.RESULT))
+                                .append(amount, item.amount);
+                    } else if (amount > 0) {
+                        items.computeIfAbsent(
+                                StackInfo.getItemStackGUID(item.itemStack),
+                                is -> BookmarkChainItem.of(item, 0, 0, CalculatedType.RESULT)).append(amount, amount);
+                    }
+                }
+            }
+
+            for (BookmarkItem item : math.recipeIngredients) {
+                if (item.recipeId.equals(relRecipeId)) {
+                    final BookmarkItem prefItem = math.preferredItems.get(item);
+                    final long amount = math.requiredAmount.containsKey(prefItem) ? 0
+                            : math.requiredAmount.getOrDefault(item, item.amount);
+                    final long refAmount = prefItem != null && !topLevelRecipes.contains(prefItem.recipeId)
+                            ? math.requiredAmount.getOrDefault(prefItem, 0L)
+                            : 0;
+
+                    if (amount != 0 || item.amount > refAmount && math.requiredAmount.containsKey(prefItem)
+                            || recipeId.equals(item.recipeId) && multiplier.get(recipeId) == 0) {
+                        items.computeIfAbsent(
+                                StackInfo.getItemStackGUID(item.itemStack),
+                                is -> BookmarkChainItem.of(item, 0, 0, CalculatedType.INGREDIENT))
+                                .append(amount, item.amount - refAmount);
+                    }
+                }
+            }
+        }
+
+        return new ArrayList<>(items.values());
+    }
+
+    private void generateResult(RecipeChainMath math, BookmarkItem item, int itemIndex) {
+        final long amount = item.amount - math.requiredAmount.getOrDefault(item, 0L);
+        final CalculatedType calculatedType = math.outputRecipes.containsKey(item.recipeId) ? CalculatedType.RESULT
+                : CalculatedType.REMAINDER;
+
+        this.calculatedItems.put(itemIndex, BookmarkChainItem.of(item, amount, calculatedType));
+    }
+
+    private void generateIngredient(RecipeChainMath math, BookmarkItem item, int itemIndex) {
+        final BookmarkItem prefItem = math.preferredItems.get(item);
+        final long amount = math.requiredAmount.containsKey(prefItem) ? 0
+                : math.requiredAmount.getOrDefault(item, item.amount);
+
+        this.calculatedItems.put(itemIndex, BookmarkChainItem.of(item, amount, CalculatedType.INGREDIENT));
+    }
+
+    private Set<RecipeId> findTopLevelRecipes(RecipeChainMath math, Set<RecipeId> collapsedRecipes) {
+        final Set<RecipeId> result = new HashSet<>(math.outputRecipes.keySet());
+
+        for (BookmarkItem item : math.recipeResults) {
+            if (!result.contains(item.recipeId)) {
+                final Set<RecipeId> parents = getRecipeParents(
+                        math,
+                        item.recipeId,
+                        new HashSet<>(),
+                        new HashSet<>(Arrays.asList(item.recipeId)));
+
+                if (parents.size() != 1 || parents.stream().noneMatch(collapsedRecipes::contains)) {
+                    result.add(item.recipeId);
+                }
+            }
+        }
+
+        return result;
+    }
+
+    private Set<RecipeId> getRecipeParents(RecipeChainMath math, RecipeId recipeId, Set<RecipeId> parents,
+            Set<RecipeId> visited) {
+        final Set<RecipeId> recipeIds = math.preferredItems.entrySet().stream()
+                .filter(
+                        entry -> entry.getValue() != null && recipeId.equals(entry.getValue().recipeId)
+                                && !visited.contains(entry.getKey().recipeId))
+                .map(entry -> entry.getKey().recipeId).collect(Collectors.toSet());
+
+        visited.addAll(recipeIds);
+
+        if (recipeIds.isEmpty()) {
+            parents.add(recipeId);
+        } else {
+
+            for (RecipeId ingrRecipeId : recipeIds) {
+                if (math.outputRecipes.containsKey(ingrRecipeId)) {
+                    parents.add(ingrRecipeId);
+                } else {
+                    getRecipeParents(math, ingrRecipeId, parents, visited);
+                }
+            }
+
+        }
+
+        return parents;
+    }
+
+}

src/main/java/codechicken/nei/bookmark/SortableGroup.java

@@ -0,0 +1,83 @@
+package codechicken.nei.bookmark;
+
+import java.awt.Point;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.lwjgl.opengl.GL11;
+
+import codechicken.lib.vec.Rectangle4i;
+import codechicken.nei.guihook.GuiContainerManager;
+
+public class SortableGroup {
+
+    public int groupId;
+    public BookmarkGrid grid;
+
+    public int shiftX = 0;
+    public int shiftY = 0;
+
+    public SortableGroup(BookmarkGrid grid, int groupId) {
+        this.grid = grid;
+        this.groupId = groupId;
+    }
+
+    public void postDraw(int mousex, int mousey) {
+        Point startRect = null;
+
+        GuiContainerManager.drawItems.zLevel += 100;
+
+        for (BookmarksGridSlot slot : this.grid.getMask()) {
+            if (slot.getGroupId() == this.groupId) {
+                final Rectangle4i rect = this.grid.getSlotRect(slot.slotIndex);
+
+                if (startRect == null) {
+                    startRect = new Point(rect.x - this.shiftX, rect.y - this.shiftY);
+                }
+
+                GuiContainerManager.drawItem(
+                        mousex + rect.x - startRect.x + 1,
+                        mousey + rect.y - startRect.y + 1,
+                        slot.getItemStack(),
+                        true,
+                        "");
+
+            }
+        }
+
+        if (startRect != null) {
+            int startRowIndex = -1;
+            int endRowIndex = 0;
+
+            for (int rowIndex = 0; rowIndex < this.grid.getRows(); rowIndex++) {
+                if (this.grid.getRowGroupId(rowIndex) == this.groupId) {
+
+                    if (startRowIndex == -1) {
+                        startRowIndex = rowIndex;
+                    }
+
+                    endRowIndex = rowIndex;
+                }
+            }
+
+            GL11.glPushMatrix();
+            GL11.glTranslated(mousex - startRect.x, mousey - startRect.y, 0);
+            this.grid.drawGroup(this.groupId, startRowIndex, endRowIndex);
+            GL11.glPopMatrix();
+        }
+
+        GuiContainerManager.drawItems.zLevel -= 100;
+    }
+
+    public List<BookmarkItem> getBookmarkItems() {
+        final List<BookmarkItem> items = new ArrayList<>();
+
+        for (BookmarkItem item : this.grid.bookmarkItems) {
+            if (item.groupId == this.groupId) {
+                items.add(item);
+            }
+        }
+
+        return items;
+    }
+}

src/main/java/codechicken/nei/bookmark/SortableItem.java

@@ -0,0 +1,250 @@
+package codechicken.nei.bookmark;
+
+import java.awt.Point;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+import codechicken.lib.vec.Rectangle4i;
+import codechicken.nei.BookmarkPanel.BookmarkViewMode;
+import codechicken.nei.ItemsGrid;
+import codechicken.nei.bookmark.RecipeChainDetails.BookmarkChainItem;
+import codechicken.nei.guihook.GuiContainerManager;
+import codechicken.nei.recipe.Recipe.RecipeId;
+
+public class SortableItem {
+
+    public final BookmarkGrid grid;
+    public final BookmarkItem bookmarkItem;
+    public final boolean moveRecipe;
+    public final boolean crossGroup;
+    public final boolean isCollapsedRecipe;
+    public List<Integer> items = new ArrayList<>();
+
+    public int shiftX = -8;
+    public int shiftY = -8;
+
+    public SortableItem(BookmarkGrid grid, BookmarkItem bookmarkItem) {
+        final BookmarkGroup group = grid.getGroup(bookmarkItem.groupId);
+
+        this.grid = grid;
+        this.bookmarkItem = bookmarkItem.copy();
+        this.moveRecipe = bookmarkItem.recipeId != null && !bookmarkItem.isIngredient
+                && (group.viewMode == BookmarkViewMode.TODO_LIST || group.crafting != null);
+        this.crossGroup = !group.collapsed && group.viewMode == BookmarkViewMode.TODO_LIST
+                && !this.bookmarkItem.isIngredient;
+        this.isCollapsedRecipe = group.crafting != null && group.crafting.itemToRecipe.values().stream()
+                .anyMatch(recipeId -> this.bookmarkItem.equalsRecipe(recipeId, this.bookmarkItem.groupId));
+
+        this.update();
+    }
+
+    public void postDraw(int mousex, int mousey) {
+        Point startRect = null;
+
+        GuiContainerManager.drawItems.zLevel += 100;
+
+        for (Integer itemIndex : this.grid.getSortedItems()) {
+            if (this.items.contains(itemIndex)) {
+                final BookmarkItem item = this.grid.getCalculatedItem(itemIndex);
+                final int slotIndex = this.grid.gridGenerator.itemToSlot.get(itemIndex);
+                final Rectangle4i rect = this.grid
+                        .getSlotRect(slotIndex % (this.grid.getRows() * this.grid.getColumns()));
+
+                if (startRect == null) {
+                    startRect = new Point(rect.x - this.shiftX, rect.y - this.shiftY);
+                }
+
+                GuiContainerManager.drawItem(
+                        mousex + rect.x - startRect.x + 1,
+                        mousey + rect.y - startRect.y + 1,
+                        item.getItemStack(),
+                        true,
+                        "");
+
+            }
+        }
+
+        GuiContainerManager.drawItems.zLevel -= 100;
+    }
+
+    public void update() {
+        final BookmarkGroup group = this.grid.getGroup(this.bookmarkItem.groupId);
+
+        this.items.clear();
+
+        if (group.collapsed) {
+            return;
+        }
+
+        for (Map.Entry<Integer, BookmarkChainItem> entry : this.grid.gridGenerator.caclulatedItems.entrySet()) {
+            if (containsItem(entry.getValue().getItem())) {
+                this.items.add(entry.getKey());
+            }
+        }
+
+        if (this.isCollapsedRecipe && group.crafting != null) {
+            for (Map.Entry<Integer, RecipeId> entry : group.crafting.itemToRecipe.entrySet()) {
+                if (this.bookmarkItem.equalsRecipe(entry.getValue(), this.bookmarkItem.groupId)) {
+                    this.items.add(entry.getKey());
+                }
+            }
+        }
+
+    }
+
+    public boolean isEmpty() {
+        return this.items.isEmpty();
+    }
+
+    public int getItemIndex() {
+        return this.items.isEmpty() ? -1 : this.items.get(0);
+    }
+
+    private boolean canInsert(BookmarkGroup group) {
+        return group.viewMode == BookmarkViewMode.TODO_LIST && !group.collapsed;
+    }
+
+    public void mouseDragged(int mousex, int mousey) {
+        final BookmarkViewMode sortViewMode = this.grid.getViewMode(this.bookmarkItem.groupId);
+        BookmarksGridSlot mouseOverSlot = this.grid.getSlotMouseOver(mousex, mousey);
+
+        if (this.crossGroup) {
+            final Rectangle4i topLeftSlot = this.grid.getSlotRect(0);
+            mouseOverSlot = this.grid.getSlotMouseOver(topLeftSlot.x, mousey);
+
+            if (mouseOverSlot != null) {
+                float ySlot = (float) (mousey - topLeftSlot.y) / ItemsGrid.SLOT_SIZE;
+                int overRowIndex = (int) ySlot;
+                int beforeGroupId = this.grid.getRowGroupId(overRowIndex - 1);
+                int afterGroupId = this.grid.getRowGroupId(overRowIndex + 1);
+                int overGroupId = mouseOverSlot.getGroupId();
+                ySlot -= overRowIndex;
+
+                if (overGroupId == this.bookmarkItem.groupId && !this.items.contains(mouseOverSlot.itemIndex)) {
+                    this.grid.moveItem(this, mouseOverSlot.itemIndex);
+                } else if (ySlot <= 0.25) {
+                    final BookmarkGroup group = this.grid.getGroup(beforeGroupId);
+
+                    if (beforeGroupId != overGroupId && canInsert(group)
+                            && !existsRecipe(this.bookmarkItem.recipeId, beforeGroupId)) {
+                        this.grid.moveItem(this, overRowIndex, beforeGroupId, false);
+                    }
+
+                } else if (ySlot > 0.25 && ySlot <= 0.5) {
+
+                    if (beforeGroupId == overGroupId) {
+                        return;
+                    }
+
+                    if (overGroupId != BookmarkGrid.DEFAULT_GROUP_ID
+                            && beforeGroupId != BookmarkGrid.DEFAULT_GROUP_ID) {
+                        beforeGroupId = BookmarkGrid.DEFAULT_GROUP_ID;
+                    }
+
+                    if (overGroupId == BookmarkGrid.DEFAULT_GROUP_ID && beforeGroupId != BookmarkGrid.DEFAULT_GROUP_ID
+                            && afterGroupId != BookmarkGrid.DEFAULT_GROUP_ID) {
+                        return;
+                    }
+
+                    if (canInsert(this.grid.getGroup(beforeGroupId))
+                            && !existsRecipe(this.bookmarkItem.recipeId, beforeGroupId)) {
+                        this.grid.moveItem(this, overRowIndex, beforeGroupId, false);
+                    }
+
+                } else if (ySlot > 0.5 && ySlot < 0.75) {
+
+                    if (afterGroupId == overGroupId) {
+                        return;
+                    }
+
+                    if (overGroupId != BookmarkGrid.DEFAULT_GROUP_ID && afterGroupId != BookmarkGrid.DEFAULT_GROUP_ID) {
+                        afterGroupId = BookmarkGrid.DEFAULT_GROUP_ID;
+                    }
+
+                    if (overGroupId == BookmarkGrid.DEFAULT_GROUP_ID && beforeGroupId != BookmarkGrid.DEFAULT_GROUP_ID
+                            && afterGroupId != BookmarkGrid.DEFAULT_GROUP_ID) {
+                        return;
+                    }
+
+                    if (canInsert(this.grid.getGroup(afterGroupId))
+                            && !existsRecipe(this.bookmarkItem.recipeId, afterGroupId)) {
+                        this.grid.moveItem(this, overRowIndex, afterGroupId, true);
+                    }
+
+                } else if (ySlot >= 0.75) {
+                    final BookmarkGroup group = this.grid.getGroup(afterGroupId);
+
+                    if (afterGroupId != overGroupId && canInsert(group)
+                            && !existsRecipe(this.bookmarkItem.recipeId, afterGroupId)) {
+                        this.grid.moveItem(this, overRowIndex, afterGroupId, true);
+                    }
+
+                }
+
+            } else {
+                final int overRowIndex = this.grid.getHoveredRowIndex(false);
+                final int overGroupId = this.grid.getRowGroupId(overRowIndex);
+
+                if (overRowIndex != -1 && overGroupId == this.bookmarkItem.groupId) {
+                    final int absoluteSlotIndex = ((this.grid.getPage() - 1) * this.grid.getRows() + overRowIndex)
+                            * this.grid.getColumns();
+
+                    if (absoluteSlotIndex < this.grid.gridGenerator.itemToSlot.getOrDefault(getItemIndex(), -1)) {
+                        this.grid.moveItem(this, overRowIndex, overGroupId, true);
+                    } else {
+                        this.grid.moveItem(this, overRowIndex, overGroupId, false);
+                    }
+
+                }
+
+            }
+
+        } else if (mouseOverSlot != null && !this.items.contains(mouseOverSlot.itemIndex)
+                && mouseOverSlot.getGroupId() == this.bookmarkItem.groupId
+                && (sortViewMode == BookmarkViewMode.DEFAULT || sortViewMode == BookmarkViewMode.TODO_LIST
+                        && mouseOverSlot.getBookmarkItem().equalsRecipe(this.bookmarkItem))) {
+                            this.grid.moveItem(this, mouseOverSlot.itemIndex);
+                        }
+
+    }
+
+    private boolean existsRecipe(RecipeId recipeId, int groupId) {
+        if (recipeId == null) return false;
+
+        for (int itemIndex = 0; itemIndex < this.grid.bookmarkItems.size(); itemIndex++) {
+            if (!this.items.contains(itemIndex)
+                    && this.grid.bookmarkItems.get(itemIndex).equalsRecipe(recipeId, groupId)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    public List<BookmarkItem> getBookmarkItems() {
+        final BookmarkGroup group = this.grid.getGroup(this.bookmarkItem.groupId);
+        final List<BookmarkItem> items = new ArrayList<>();
+        final List<RecipeId> recipeRelations = new ArrayList<>();
+
+        if (this.isCollapsedRecipe && group.crafting != null) {
+            recipeRelations.addAll(
+                    group.crafting.recipeRelations.getOrDefault(this.bookmarkItem.recipeId, Collections.emptySet()));
+        }
+
+        for (BookmarkItem item : this.grid.bookmarkItems) {
+            if (containsItem(item)
+                    || item.groupId == this.bookmarkItem.groupId && recipeRelations.contains(item.recipeId)) {
+                items.add(item);
+            }
+        }
+
+        return items;
+    }
+
+    public boolean containsItem(BookmarkItem slotItem) {
+        return this.moveRecipe ? this.bookmarkItem.equalsRecipe(slotItem) : this.bookmarkItem.equals(slotItem);
+    }
+
+}

src/main/java/codechicken/nei/config/GuiPanelSettings.java

@@ -1,9 +1,7 @@
 package codechicken.nei.config;
 
-import static codechicken.lib.gui.GuiDraw.getMousePosition;
-
 import java.awt.Point;
-import java.util.ArrayList;
+import java.util.List;
 
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.RenderHelper;
@@ -14,6 +12,7 @@ import org.lwjgl.opengl.GL11;
 import org.lwjgl.opengl.GL12;
 
 import codechicken.core.gui.GuiScreenWidget;
+import codechicken.lib.gui.GuiDraw;
 import codechicken.lib.render.CCRenderState;
 import codechicken.lib.vec.Rectangle4i;
 import codechicken.nei.ItemPanels;
@@ -114,8 +113,8 @@ public class GuiPanelSettings extends GuiScreenWidget {
         }
 
         protected int[] getPaddings() {
-            final int minWidth = 5 * ItemsGrid.SLOT_SIZE;
-            final int minHeight = 9 * ItemsGrid.SLOT_SIZE;
+            final int minWidth = ItemsGrid.SLOT_SIZE;
+            final int minHeight = ItemsGrid.SLOT_SIZE;
 
             int paddingLeft = (int) Math.ceil(margin.w * opt.renderTag(name + ".left").getIntValue() / 100000.0);
             int paddingTop = (int) Math.ceil(margin.h * opt.renderTag(name + ".top").getIntValue() / 100000.0);
@@ -123,7 +122,7 @@ public class GuiPanelSettings extends GuiScreenWidget {
             int paddingBottom = (int) Math.ceil(margin.h * opt.renderTag(name + ".bottom").getIntValue() / 100000.0);
 
             if (dragDir != null) {
-                final Point mouse = getMousePosition();
+                final Point mouse = GuiDraw.getMousePosition();
                 Point drag = new Point(mouse.x - dragDown.x, mouse.y - dragDown.y);
 
                 if (dragDir == "left") {
@@ -164,13 +163,12 @@ public class GuiPanelSettings extends GuiScreenWidget {
             final int columns = w / ItemsGrid.SLOT_SIZE;
             final int rows = (h - (PANEL_SIZE + 2) * 2) / ItemsGrid.SLOT_SIZE;
             final int paddingLeft = (w % ItemsGrid.SLOT_SIZE) / 2;
-            final ArrayList<ItemStack> items = ItemPanels.itemPanel.getItems();
+            final List<ItemStack> items = ItemPanels.itemPanel.getItems();
             if (items.isEmpty()) return;
 
             for (int r = 0; r < rows; r++) {
                 for (int c = 0; c < columns; c++) {
-
-                    GuiContainerManager.drawItem(
+                    drawItem(
                             x + paddingLeft + ItemsGrid.SLOT_SIZE * c + 1,
                             y + PANEL_SIZE + 2 + ItemsGrid.SLOT_SIZE * r + 1,
                             items.get((r * columns + c) % items.size()));
@@ -178,6 +176,21 @@ public class GuiPanelSettings extends GuiScreenWidget {
             }
         }
 
+        protected void drawItem(int x, int y, ItemStack stack) {
+            final float scale = ItemsGrid.SLOT_SIZE / 18f;
+            final float inverseScaleFactor = 1.0f / scale;
+            final float shiftX = x * inverseScaleFactor;
+            final float shiftY = y * inverseScaleFactor;
+
+            GL11.glScaled(scale, scale, 1);
+            GL11.glTranslated(shiftX, shiftY, 0);
+
+            GuiContainerManager.drawItem(0, 0, stack, true, "");
+
+            GL11.glTranslated(-1 * shiftX, -1 * shiftY, 0);
+            GL11.glScaled(inverseScaleFactor, inverseScaleFactor, 1);
+        }
+
         public boolean contains(int pointX, int pointY) {
             return (new Rectangle4i(x, y, w, h)).contains(pointX, pointY);
         }
@@ -185,7 +198,7 @@ public class GuiPanelSettings extends GuiScreenWidget {
         protected void mouseClicked(int x, int y, int button) {
 
             if (contains(x, y)) {
-                dragDown = getMousePosition();
+                dragDown = GuiDraw.getMousePosition();
 
                 if (leftButton.contains(x, y)) {
                     dragDir = "left";

src/main/java/codechicken/nei/config/preset/LeftPanel.java

@@ -13,8 +13,8 @@ import org.lwjgl.opengl.GL12;
 import codechicken.core.gui.GuiWidget;
 import codechicken.lib.gui.GuiDraw;
 import codechicken.lib.vec.Rectangle4i;
-import codechicken.nei.ItemPanel.ItemPanelSlot;
 import codechicken.nei.ItemsGrid;
+import codechicken.nei.ItemsGrid.ItemsGridSlot;
 import codechicken.nei.Label;
 import codechicken.nei.NEIClientUtils;
 import codechicken.nei.PresetsList.Preset;
@@ -49,7 +49,7 @@ public class LeftPanel extends GuiWidget {
 
         @Override
         protected ItemFilter getFilter() {
-            Set<String> identifiers = preset.items;
+            final Set<String> identifiers = preset.items;
             return item -> identifiers.contains(Preset.getIdentifier(item));
         }
 
@@ -57,6 +57,20 @@ public class LeftPanel extends GuiWidget {
         protected boolean isSelected(ItemStack stack) {
             return mouseSelection != null && mouseSelection.items.contains(stack);
         }
+
+        @Override
+        protected MouseContext getMouseContext(int mousex, int mousey) {
+            final ItemsGridSlot hovered = getSlotMouseOver(mousex, mousey);
+
+            if (hovered != null) {
+                return new MouseContext(
+                        hovered.slotIndex,
+                        hovered.slotIndex / this.columns,
+                        hovered.slotIndex % this.columns);
+            }
+
+            return null;
+        }
     };
 
     protected Label nameLabel = new Label(NEIClientUtils.translate("presets.name"), false);
@@ -169,10 +183,10 @@ public class LeftPanel extends GuiWidget {
         }
 
         if (mouseSelection == null && button == 0) {
-            ItemPanelSlot slot = grid.getSlotMouseOver(x, y);
+            final ItemsGridSlot slot = grid.getSlotMouseOver(x, y);
 
             if (slot != null) {
-                mouseSelection = new MouseSelection(slot.slotIndex, grid.getItemRect(slot.slotIndex));
+                mouseSelection = new MouseSelection(slot.itemIndex, grid.getItemRect(slot.itemIndex));
             }
         }
 
@@ -185,10 +199,10 @@ public class LeftPanel extends GuiWidget {
         nameField.mouseUp(x, y, button);
 
         if (mouseSelection != null && button == 0) {
-            ItemPanelSlot hoverSlot = grid.getSlotMouseOver(x, y);
+            final ItemsGridSlot hoverSlot = grid.getSlotMouseOver(x, y);
 
-            if (hoverSlot != null && hoverSlot.slotIndex == mouseSelection.startIndex) {
-                preset.items.remove(Preset.getIdentifier(hoverSlot.item));
+            if (hoverSlot != null && hoverSlot.itemIndex == mouseSelection.startIndex) {
+                preset.items.remove(Preset.getIdentifier(hoverSlot.getItemStack()));
             } else if (!mouseSelection.items.isEmpty()) {
 
                 for (ItemStack stack : mouseSelection.items) {
@@ -206,13 +220,13 @@ public class LeftPanel extends GuiWidget {
         nameField.mouseDragged(x, y, button, time);
 
         if (mouseSelection != null && button == 0) {
-            final ItemPanelSlot slot = grid.getSlotMouseOver(x, y);
+            final ItemsGridSlot slot = grid.getSlotMouseOver(x, y);
 
-            if (slot != null && slot.slotIndex != mouseSelection.endIndex) {
-                mouseSelection.endIndex = slot.slotIndex;
+            if (slot != null && slot.itemIndex != mouseSelection.endIndex) {
+                mouseSelection.endIndex = slot.itemIndex;
                 mouseSelection.items.clear();
 
-                final Rectangle4i rec = grid.getItemRect(slot.slotIndex);
+                final Rectangle4i rec = grid.getItemRect(slot.itemIndex);
                 final Rectangle4i sel = new Rectangle4i(
                         Math.min(rec.x, mouseSelection.startX),
                         Math.min(rec.y, mouseSelection.startY),
@@ -221,10 +235,10 @@ public class LeftPanel extends GuiWidget {
 
                 for (int ix = sel.x; ix <= sel.x + sel.w; ix += ItemsGrid.SLOT_SIZE) {
                     for (int iy = sel.y; iy <= sel.y + sel.h; iy += ItemsGrid.SLOT_SIZE) {
-                        ItemPanelSlot over = grid.getSlotMouseOver(ix, iy);
+                        final ItemsGridSlot over = grid.getSlotMouseOver(ix, iy);
 
                         if (over != null) {
-                            mouseSelection.items.add(over.item);
+                            mouseSelection.items.add(over.getItemStack());
                         }
                     }
                 }
@@ -295,14 +309,14 @@ public class LeftPanel extends GuiWidget {
     }
 
     public List<String> handleTooltip(int mousex, int mousey, List<String> tooltip) {
-        ItemPanelSlot over = grid.getSlotMouseOver(mousex, mousey);
+        final ItemsGridSlot over = grid.getSlotMouseOver(mousex, mousey);
 
         if (over != null) {
-            tooltip = GuiContainerManager.itemDisplayNameMultiline(over.item, null, true);
+            tooltip = GuiContainerManager.itemDisplayNameMultiline(over.getItemStack(), null, true);
 
             synchronized (GuiContainerManager.tooltipHandlers) {
                 for (IContainerTooltipHandler handler : GuiContainerManager.tooltipHandlers) {
-                    tooltip = handler.handleItemTooltip(null, over.item, mousex, mousey, tooltip);
+                    tooltip = handler.handleItemTooltip(null, over.getItemStack(), mousex, mousey, tooltip);
                 }
             }
 

src/main/java/codechicken/nei/config/preset/PresetItemsGrid.java

@@ -5,31 +5,45 @@ import java.util.List;
 import java.util.concurrent.ExecutionException;
 import java.util.stream.Collectors;
 
-import javax.annotation.Nullable;
-
 import net.minecraft.client.gui.inventory.GuiContainer;
 import net.minecraft.item.ItemStack;
 
-import codechicken.lib.gui.GuiDraw;
 import codechicken.lib.vec.Rectangle4i;
 import codechicken.nei.Button;
 import codechicken.nei.ItemList;
-import codechicken.nei.ItemPanel.ItemPanelSlot;
 import codechicken.nei.ItemSorter;
 import codechicken.nei.ItemsGrid;
+import codechicken.nei.ItemsGrid.ItemsGridSlot;
 import codechicken.nei.Label;
+import codechicken.nei.NEIClientUtils;
 import codechicken.nei.RestartableTask;
 import codechicken.nei.api.ItemFilter;
 
-public abstract class PresetItemsGrid extends ItemsGrid {
+public abstract class PresetItemsGrid extends ItemsGrid<PresetItemsGrid.PresetsGridSlot, ItemsGrid.MouseContext> {
 
     protected static final int BUTTON_SIZE = 16;
 
+    public class PresetsGridSlot extends ItemsGridSlot {
+
+        public PresetsGridSlot(int slotIndex, int itemIndex, ItemStack itemStack) {
+            super(slotIndex, itemIndex, itemStack);
+        }
+
+        @Override
+        public void beforeDraw(Rectangle4i rect, MouseContext mouseContext) {
+            if (mouseContext != null && mouseContext.slotIndex == this.slotIndex || isSelected(getItemStack())) {
+                NEIClientUtils.drawRect(rect.x, rect.y, rect.w, rect.h, HIGHLIGHT_COLOR);
+            }
+        }
+
+    }
+
     public Button pagePrev;
     public Label pageLabel;
     public Button pageNext;
 
     protected ArrayList<ItemStack> newItems;
+    protected List<PresetsGridSlot> gridMask;
 
     protected final RestartableTask updateFilter = new RestartableTask("NEI Presets Item Filtering") {
 
@@ -139,6 +153,28 @@ public abstract class PresetItemsGrid extends ItemsGrid {
         this.newItems = new ArrayList<>(newItems);
     }
 
+    @Override
+    protected void onGridChanged() {
+        this.gridMask = null;
+        super.onGridChanged();
+    }
+
+    @Override
+    public List<PresetsGridSlot> getMask() {
+
+        if (this.gridMask == null) {
+            this.gridMask = new ArrayList<>();
+            int itemIndex = page * perPage;
+
+            for (int slotIndex = 0; slotIndex < rows * columns && itemIndex < size(); slotIndex++) {
+                this.gridMask.add(new PresetsGridSlot(slotIndex, itemIndex, getItem(itemIndex)));
+                itemIndex++;
+            }
+        }
+
+        return this.gridMask;
+    }
+
     @Override
     public void refresh(GuiContainer gui) {
 
@@ -151,15 +187,6 @@ public abstract class PresetItemsGrid extends ItemsGrid {
         super.refresh(gui);
     }
 
-    @Override
-    protected void beforeDrawSlot(@Nullable ItemPanelSlot focused, int slotIdx, Rectangle4i rect) {
-        if (isSelected(getItem(slotIdx))) {
-            GuiDraw.drawRect(rect.x, rect.y, rect.w, rect.h, 0xee555555);
-        } else {
-            super.beforeDrawSlot(focused, slotIdx, rect);
-        }
-    }
-
     protected abstract boolean isSelected(ItemStack stack);
 
     protected abstract ItemFilter getFilter();

src/main/java/codechicken/nei/config/preset/RightPanel.java

@@ -19,8 +19,8 @@ import codechicken.nei.CollapsibleItems;
 import codechicken.nei.ItemList.AllMultiItemFilter;
 import codechicken.nei.ItemList.AnyMultiItemFilter;
 import codechicken.nei.ItemList.NegatedItemFilter;
-import codechicken.nei.ItemPanel.ItemPanelSlot;
 import codechicken.nei.ItemsGrid;
+import codechicken.nei.ItemsGrid.ItemsGridSlot;
 import codechicken.nei.NEIClientConfig;
 import codechicken.nei.NEIClientUtils;
 import codechicken.nei.PresetsList;
@@ -133,12 +133,12 @@ public class RightPanel extends GuiWidget {
 
         @Override
         protected ItemFilter getFilter() {
-            AllMultiItemFilter filter = new AllMultiItemFilter(searchField.getFilter());
+            final AllMultiItemFilter filter = new AllMultiItemFilter(searchField.getFilter());
 
             if (enabledPresets.isChecked()) {
-                AllMultiItemFilter andFilter = new AllMultiItemFilter();
-                AnyMultiItemFilter orFilter = new AnyMultiItemFilter();
-                Set<String> identifiers = PresetsList.presets.stream().flatMap(p -> p.items.stream())
+                final AllMultiItemFilter andFilter = new AllMultiItemFilter();
+                final AnyMultiItemFilter orFilter = new AnyMultiItemFilter();
+                final Set<String> identifiers = PresetsList.presets.stream().flatMap(p -> p.items.stream())
                         .collect(Collectors.toSet());
 
                 andFilter.filters.add(item -> !identifiers.contains(Preset.getIdentifier(item)));
@@ -164,6 +164,20 @@ public class RightPanel extends GuiWidget {
 
             return preset.items.contains(Preset.getIdentifier(stack));
         }
+
+        @Override
+        protected MouseContext getMouseContext(int mousex, int mousey) {
+            final ItemsGridSlot hovered = getSlotMouseOver(mousex, mousey);
+
+            if (hovered != null) {
+                return new MouseContext(
+                        hovered.slotIndex,
+                        hovered.slotIndex / this.columns,
+                        hovered.slotIndex % this.columns);
+            }
+
+            return null;
+        }
     };
 
     protected CheckboxButton enabledPresets;
@@ -218,10 +232,10 @@ public class RightPanel extends GuiWidget {
         }
 
         if (mouseSelection == null && (button == 0 || button == 1)) {
-            ItemPanelSlot slot = grid.getSlotMouseOver(x, y);
+            final ItemsGridSlot slot = grid.getSlotMouseOver(x, y);
 
             if (slot != null) {
-                mouseSelection = new MouseSelection(slot.slotIndex, grid.getItemRect(slot.slotIndex), button == 0);
+                mouseSelection = new MouseSelection(slot.itemIndex, grid.getItemRect(slot.itemIndex), button == 0);
             }
         }
 
@@ -234,10 +248,10 @@ public class RightPanel extends GuiWidget {
         searchField.mouseUp(x, y, button);
 
         if (mouseSelection != null && (button == 0 || button == 1)) {
-            ItemPanelSlot hoverSlot = grid.getSlotMouseOver(x, y);
+            final ItemsGridSlot hoverSlot = grid.getSlotMouseOver(x, y);
 
-            if (hoverSlot != null && hoverSlot.slotIndex == mouseSelection.startIndex) {
-                setHidden(hoverSlot.item, button == 0);
+            if (hoverSlot != null && hoverSlot.itemIndex == mouseSelection.startIndex) {
+                setHidden(hoverSlot.getItemStack(), button == 0);
             } else if (!mouseSelection.items.isEmpty()) {
 
                 for (ItemStack stack : mouseSelection.items) {
@@ -304,13 +318,13 @@ public class RightPanel extends GuiWidget {
         searchField.mouseDragged(x, y, button, time);
 
         if (mouseSelection != null && (button == 0 || button == 1)) {
-            final ItemPanelSlot slot = grid.getSlotMouseOver(x, y);
+            final ItemsGridSlot slot = grid.getSlotMouseOver(x, y);
 
-            if (slot != null && slot.slotIndex != mouseSelection.endIndex) {
-                mouseSelection.endIndex = slot.slotIndex;
+            if (slot != null && slot.itemIndex != mouseSelection.endIndex) {
+                mouseSelection.endIndex = slot.itemIndex;
                 mouseSelection.items.clear();
 
-                final Rectangle4i rec = grid.getItemRect(slot.slotIndex);
+                final Rectangle4i rec = grid.getItemRect(slot.itemIndex);
                 final Rectangle4i sel = new Rectangle4i(
                         Math.min(rec.x, mouseSelection.startX),
                         Math.min(rec.y, mouseSelection.startY),
@@ -319,10 +333,10 @@ public class RightPanel extends GuiWidget {
 
                 for (int ix = sel.x; ix <= sel.x + sel.w; ix += ItemsGrid.SLOT_SIZE) {
                     for (int iy = sel.y; iy <= sel.y + sel.h; iy += ItemsGrid.SLOT_SIZE) {
-                        ItemPanelSlot over = grid.getSlotMouseOver(ix, iy);
+                        final ItemsGridSlot over = grid.getSlotMouseOver(ix, iy);
 
                         if (over != null) {
-                            mouseSelection.items.add(over.item);
+                            mouseSelection.items.add(over.getItemStack());
                         }
                     }
                 }
@@ -363,14 +377,14 @@ public class RightPanel extends GuiWidget {
     }
 
     public List<String> handleTooltip(int mousex, int mousey, List<String> tooltip) {
-        ItemPanelSlot over = grid.getSlotMouseOver(mousex, mousey);
+        final ItemsGridSlot over = grid.getSlotMouseOver(mousex, mousey);
 
         if (over != null) {
-            tooltip = GuiContainerManager.itemDisplayNameMultiline(over.item, null, true);
+            tooltip = GuiContainerManager.itemDisplayNameMultiline(over.getItemStack(), null, true);
 
             synchronized (GuiContainerManager.tooltipHandlers) {
                 for (IContainerTooltipHandler handler : GuiContainerManager.tooltipHandlers) {
-                    tooltip = handler.handleItemTooltip(null, over.item, mousex, mousey, tooltip);
+                    tooltip = handler.handleItemTooltip(null, over.getItemStack(), mousex, mousey, tooltip);
                 }
             }
 

src/main/java/codechicken/nei/guihook/GuiContainerManager.java

@@ -10,7 +10,6 @@ import java.awt.Point;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
-import java.util.HashSet;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
@@ -213,7 +212,7 @@ public class GuiContainerManager {
 
     @Nullable
     public static String itemCountDetails(ItemStack stack) {
-        FluidStack fluid = StackInfo.getFluid(stack);
+        final FluidStack fluid = StackInfo.getFluid(stack);
         if (fluid != null) {
             return fluidAmountDetails(fluid.amount * Math.max(1, stack.stackSize));
         } else {
@@ -294,7 +293,7 @@ public class GuiContainerManager {
     }
 
     private static int modelviewDepth = -1;
-    private static final HashSet<String> stackTraces = new HashSet<>();
+    private static boolean contextEnabled = false;
     private static final ItemStackSet renderingErrorItems = new ItemStackSet();
 
     public static void drawItem(int offsetX, int offsetY, ItemStack itemstack, FontRenderer fontRenderer,
@@ -350,30 +349,32 @@ public class GuiContainerManager {
     private static void safeItemRenderContext(ItemStack stack, int x, int y, FontRenderer fontRenderer,
             Runnable callback) {
         float zLevel = drawItems.zLevel += 100F;
-        GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS);
+        enableMatrixStackLogging();
         enable3DRender();
 
-        if (!renderingErrorItems.contains(stack)) {
-            try {
-                callback.run();
-
-                if (!checkMatrixStack()) throw new IllegalStateException("Modelview matrix stack too deep");
-                if (Tessellator.instance.isDrawing) throw new IllegalStateException("Still drawing");
-            } catch (Exception e) {
-                NEIClientUtils.reportErrorBuffered(e, stackTraces, stack);
-
-                restoreMatrixStack();
-                if (Tessellator.instance.isDrawing) Tessellator.instance.draw();
-
-                drawItems.zLevel = zLevel;
+        try {
+            if (renderingErrorItems.contains(stack)) {
                 drawItems.renderItemIntoGUI(fontRenderer, renderEngine, new ItemStack(Blocks.fire), x, y);
-                renderingErrorItems.add(stack);
+            } else {
+                callback.run();
             }
-        } else {
+
+            if (!checkMatrixStack()) throw new IllegalStateException("Modelview matrix stack too deep");
+            if (Tessellator.instance.isDrawing) throw new IllegalStateException("Still drawing");
+        } catch (Exception e) {
+            System.err.println("Error while rendering: " + stack + " (" + e.getMessage() + ")");
+            e.printStackTrace();
+
+            restoreMatrixStack();
+            if (Tessellator.instance.isDrawing) Tessellator.instance.draw();
+
+            drawItems.zLevel = zLevel;
             drawItems.renderItemIntoGUI(fontRenderer, renderEngine, new ItemStack(Blocks.fire), x, y);
+            renderingErrorItems.add(stack);
         }
 
-        GL11.glPopAttrib();
+        enable2DRender();
+        disableMatrixStackLogging();
         drawItems.zLevel = zLevel - 100;
     }
 
@@ -384,11 +385,19 @@ public class GuiContainerManager {
     }
 
     public static void enableMatrixStackLogging() {
-        modelviewDepth = GL11.glGetInteger(GL11.GL_MODELVIEW_STACK_DEPTH);
+        if (!contextEnabled) {
+            GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS);
+            modelviewDepth = GL11.glGetInteger(GL11.GL_MODELVIEW_STACK_DEPTH);
+            contextEnabled = true;
+        }
     }
 
     public static void disableMatrixStackLogging() {
-        modelviewDepth = -1;
+        if (contextEnabled) {
+            contextEnabled = false;
+            modelviewDepth = -1;
+            GL11.glPopAttrib();
+        }
     }
 
     public static boolean checkMatrixStack() {

src/main/java/codechicken/nei/recipe/AcceptsFollowingTooltipLineHandler.java

@@ -0,0 +1,50 @@
+package codechicken.nei.recipe;
+
+import java.util.Comparator;
+import java.util.List;
+
+import net.minecraft.item.ItemStack;
+
+import codechicken.nei.FavoriteRecipes;
+import codechicken.nei.ItemsTooltipLineHandler;
+import codechicken.nei.NEIClientUtils;
+
+public class AcceptsFollowingTooltipLineHandler extends ItemsTooltipLineHandler {
+
+    protected static final int DEFAULT_MAX_ROWS = 5;
+
+    public Object tooltipGUID;
+
+    public AcceptsFollowingTooltipLineHandler(Object tooltipGUID, List<ItemStack> items, ItemStack activeStack,
+            int maxRows) {
+        super(NEIClientUtils.translate("recipe.accepts"), items, false, maxRows);
+        this.tooltipGUID = tooltipGUID;
+        setActiveStack(activeStack);
+    }
+
+    public static AcceptsFollowingTooltipLineHandler of(Object tooltipGUID, List<ItemStack> items,
+            ItemStack activeStack) {
+        return of(tooltipGUID, items, activeStack, DEFAULT_MAX_ROWS);
+    }
+
+    public static AcceptsFollowingTooltipLineHandler of(Object tooltipGUID, List<ItemStack> items,
+            ItemStack activeStack, int maxRows) {
+
+        if (items.size() > 1) {
+            items.sort(Comparator.comparing(FavoriteRecipes::contains).reversed());
+            return new AcceptsFollowingTooltipLineHandler(tooltipGUID, items, activeStack, maxRows);
+        }
+
+        return null;
+    }
+
+    @Override
+    protected void drawItem(int x, int y, ItemStack drawStack, String stackSize) {
+        super.drawItem(x, y, drawStack, stackSize);
+
+        if (FavoriteRecipes.contains(drawStack)) {
+            NEIClientUtils.drawNEIOverlayText("F", x, y);
+        }
+    }
+
+}

src/main/java/codechicken/nei/recipe/AutoCraftingManager.java

@@ -0,0 +1,150 @@
+package codechicken.nei.recipe;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+import net.minecraft.client.gui.inventory.GuiContainer;
+import net.minecraft.entity.player.InventoryPlayer;
+import net.minecraft.init.Blocks;
+import net.minecraft.item.ItemStack;
+
+import codechicken.nei.ItemStackAmount;
+import codechicken.nei.NEIClientUtils;
+import codechicken.nei.RestartableTask;
+import codechicken.nei.bookmark.BookmarkItem;
+import codechicken.nei.recipe.Recipe.RecipeId;
+import codechicken.nei.recipe.chain.RecipeChainIterator;
+import codechicken.nei.recipe.chain.RecipeChainMath;
+
+public class AutoCraftingManager {
+
+    private static RecipeChainMath math;
+
+    private static final RestartableTask task = new RestartableTask("NEI Bookmark AutoCraft Processing") {
+
+        private static final ItemStack ROOT_ITEM = new ItemStack(Blocks.fire);
+        private static final RecipeId ROOT_RECIPE_ID = RecipeId
+                .of(ROOT_ITEM, "recipe-autocrafting", Collections.emptyList());
+
+        @Override
+        public void execute() {
+            final GuiContainer guiContainer = NEIClientUtils.getGuiContainer();
+            final InventoryPlayer playerInventory = guiContainer.mc.thePlayer.inventory;
+            final ItemStackAmount inventory = ItemStackAmount.of(Arrays.asList(playerInventory.mainInventory));
+            final RecipeChainMath math = createMasterRoot(AutoCraftingManager.math);
+            final List<BookmarkItem> initialItems = prepareInitialItems(math, inventory);
+            boolean processed = false;
+            boolean changed = false;
+
+            do {
+                changed = false;
+
+                RecipeChainIterator iterator = new RecipeChainIterator(math, initialItems);
+                iterator.updateInventory(playerInventory.mainInventory);
+
+                while (iterator.hasNext() && !interrupted(guiContainer)) {
+                    final Map<RecipeId, Long> recipes = iterator.next();
+                    boolean craft = false;
+
+                    for (Map.Entry<RecipeId, Long> entry : recipes.entrySet()) {
+                        final RecipeHandlerRef handler = RecipeHandlerRef.of(entry.getKey());
+
+                        if (handler != null && handler.canCraft(guiContainer)) {
+                            long multiplier = entry.getValue();
+
+                            while (multiplier > 0 && !interrupted(guiContainer)
+                                    && handler.craft(guiContainer, (int) Math.min(64, multiplier))) {
+                                multiplier -= 64;
+                            }
+
+                            craft = multiplier != entry.getValue();
+                        }
+
+                        if (interrupted(guiContainer)) break;
+                    }
+
+                    if (craft) {
+                        changed = true;
+                        processed = true;
+                        iterator.updateInventory(playerInventory.mainInventory);
+                    }
+                }
+
+            } while (changed && !interrupted(guiContainer));
+
+            if (processed && !changed && !interrupted(guiContainer)) {
+                NEIClientUtils.playClickSound();
+            }
+
+        }
+
+        @Override
+        public void clearTasks() {
+            super.clearTasks();
+            AutoCraftingManager.math = null;
+        }
+
+        private boolean interrupted(GuiContainer guiContainer) {
+            return interrupted() || guiContainer != NEIClientUtils.getGuiContainer();
+        }
+
+        private RecipeChainMath createMasterRoot(RecipeChainMath math) {
+            final List<BookmarkItem> rootIngredients = new ArrayList<>();
+
+            for (BookmarkItem item : math.recipeResults) {
+                if (math.outputRecipes.containsKey(item.recipeId)) {
+                    long amount = item.factor * math.outputRecipes.get(item.recipeId);
+                    rootIngredients.add(
+                            BookmarkItem.of(
+                                    -1,
+                                    item.getItemStack(amount),
+                                    item.getStackSize(amount),
+                                    ROOT_RECIPE_ID,
+                                    true,
+                                    BookmarkItem.generatePermutations(item.itemStack, null)));
+                }
+            }
+
+            math.outputRecipes.clear();
+            math.outputRecipes.put(ROOT_RECIPE_ID, 1L);
+            math.recipeResults.add(BookmarkItem.of(-1, ROOT_ITEM, 1, ROOT_RECIPE_ID, false));
+            math.recipeIngredients.addAll(rootIngredients);
+
+            return math;
+        }
+
+        private List<BookmarkItem> prepareInitialItems(RecipeChainMath math, ItemStackAmount inventory) {
+            final List<BookmarkItem> initialItems = new ArrayList<>();
+
+            for (BookmarkItem item : math.initialItems) {
+                final long invStackSize = inventory.getOrDefault(item.itemStack, 0L);
+                final long amount = Math.max(0, item.amount - invStackSize * item.fluidCellAmount);
+                if (amount > 0) {
+                    initialItems.add(item.copyWithAmount(amount));
+                }
+            }
+
+            return initialItems;
+        }
+
+    };
+
+    private AutoCraftingManager() {}
+
+    public static void runProcessing(RecipeChainMath math) {
+        task.stop();
+        AutoCraftingManager.math = math;
+
+        if (AutoCraftingManager.math != null) {
+            task.restart();
+        }
+    }
+
+    public static boolean processing() {
+        return AutoCraftingManager.math != null && !task.interrupted();
+    }
+
+}

src/main/java/codechicken/nei/recipe/BookmarkRecipeId.java

@@ -14,6 +14,7 @@ import com.google.gson.JsonPrimitive;
 import codechicken.nei.PositionedStack;
 import codechicken.nei.util.NBTJson;
 
+@Deprecated
 public class BookmarkRecipeId {
 
     public String handlerName = null;

src/main/java/codechicken/nei/recipe/DefaultOverlayHandler.java

@@ -7,15 +7,20 @@ import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.List;
 
+import net.minecraft.client.entity.EntityClientPlayerMP;
 import net.minecraft.client.gui.inventory.GuiContainer;
 import net.minecraft.entity.player.InventoryPlayer;
 import net.minecraft.inventory.Slot;
+import net.minecraft.inventory.SlotCrafting;
 import net.minecraft.item.ItemStack;
 
 import codechicken.lib.inventory.InventoryUtils;
 import codechicken.nei.FastTransferManager;
+import codechicken.nei.NEIClientUtils;
+import codechicken.nei.NEIServerUtils;
 import codechicken.nei.PositionedStack;
 import codechicken.nei.api.IOverlayHandler;
+import codechicken.nei.util.NBTHelper;
 import cpw.mods.fml.relauncher.ReflectionHelper;
 
 public class DefaultOverlayHandler implements IOverlayHandler {
@@ -70,44 +75,90 @@ public class DefaultOverlayHandler implements IOverlayHandler {
     public int offsety;
 
     @Override
-    public void overlayRecipe(GuiContainer gui, IRecipeHandler recipe, int recipeIndex, boolean shift) {
-        List<PositionedStack> ingredients = recipe.getIngredientStacks(recipeIndex);
-        List<DistributedIngred> ingredStacks = getPermutationIngredients(ingredients);
+    public void overlayRecipe(GuiContainer gui, IRecipeHandler handler, int recipeIndex, boolean maxTransfer) {
+        transferRecipe(gui, handler, recipeIndex, maxTransfer ? Integer.MAX_VALUE : 1);
+    }
 
-        if (!clearIngredients(gui, ingredients)) return;
+    @Override
+    public int transferRecipe(GuiContainer gui, IRecipeHandler handler, int recipeIndex, int multiplier) {
+        final List<PositionedStack> ingredients = handler.getIngredientStacks(recipeIndex);
+        final List<DistributedIngred> ingredStacks = getPermutationIngredients(ingredients);
+
+        if (!clearIngredients(gui)) return 0;
 
         findInventoryQuantities(gui, ingredStacks);
 
-        List<IngredientDistribution> assignedIngredients = assignIngredients(ingredients, ingredStacks);
-        if (assignedIngredients == null) return;
+        final List<IngredientDistribution> assignedIngredients = assignIngredients(ingredients, ingredStacks);
+        if (assignedIngredients == null) return 0;
 
         assignIngredSlots(gui, ingredients, assignedIngredients);
-        int quantity = calculateRecipeQuantity(assignedIngredients);
+        multiplier = Math.min(multiplier == 0 ? 64 : multiplier, calculateRecipeQuantity(assignedIngredients));
 
-        if (quantity != 0) moveIngredients(gui, assignedIngredients, quantity);
+        if (multiplier != 0) {
+            moveIngredients(gui, assignedIngredients, (int) multiplier);
+        }
+
+        return multiplier;
     }
 
-    private boolean clearIngredients(GuiContainer gui, List<PositionedStack> ingreds) {
-        for (PositionedStack pstack : ingreds) {
-            for (Slot slot : gui.inventorySlots.inventorySlots) {
-                if (slot.xDisplayPosition == pstack.relx + offsetx && slot.yDisplayPosition == pstack.rely + offsety) {
-                    if (!slot.getHasStack()) continue;
+    @Override
+    public boolean canFillCraftingGrid(GuiContainer firstGui, IRecipeHandler handler, int recipeIndex) {
+        return presenceOverlay(firstGui, handler, recipeIndex).stream().allMatch(state -> state.isPresent());
+    }
 
-                    FastTransferManager.clickSlot(gui, slot.slotNumber, 0, 1);
-                    if (slot.getHasStack()) return false;
+    @Override
+    public boolean canCraft(GuiContainer firstGui, IRecipeHandler handler, int recipeIndex) {
+        return canFillCraftingGrid(firstGui, handler, recipeIndex);
+    }
+
+    @Override
+    public boolean craft(GuiContainer firstGui, IRecipeHandler recipe, int recipeIndex, int multiplier) {
+        final EntityClientPlayerMP thePlayer = NEIClientUtils.mc().thePlayer;
+        boolean craft = false;
+
+        while (multiplier > 0) {
+            final int transfer = transferRecipe(firstGui, recipe, recipeIndex, multiplier);
+
+            if (transfer <= 0) {
+                break;
+            }
+
+            multiplier -= transfer;
+
+            for (Slot slot : firstGui.inventorySlots.inventorySlots) {
+                if (slot.getHasStack() && slot instanceof SlotCrafting && slot.canTakeStack(thePlayer)) {
+                    FastTransferManager.clickSlot(firstGui, slot.slotNumber, 0, 1);
+                    craft = true;
+                    break;
                 }
             }
+
+        }
+
+        return craft;
+    }
+
+    private boolean clearIngredients(GuiContainer gui) {
+        final EntityClientPlayerMP thePlayer = NEIClientUtils.mc().thePlayer;
+
+        for (Slot slot : gui.inventorySlots.inventorySlots) {
+            if (slot.getHasStack() && !canMoveFrom(slot, gui)
+                    && !(slot instanceof SlotCrafting)
+                    && slot.canTakeStack(thePlayer)) {
+                FastTransferManager.clickSlot(gui, slot.slotNumber, 0, 1);
+                if (slot.getHasStack()) return false;
+            }
         }
 
         return true;
     }
 
-    private void moveIngredients(GuiContainer gui, List<IngredientDistribution> assignedIngredients, int quantity) {
+    private void moveIngredients(GuiContainer gui, List<IngredientDistribution> assignedIngredients, int multiplier) {
         for (IngredientDistribution distrib : assignedIngredients) {
             if (distrib.slots.length == 0) continue;
 
             ItemStack pstack = distrib.permutation;
-            int transferCap = quantity * pstack.stackSize;
+            int transferCap = multiplier * pstack.stackSize;
             int transferred = 0;
 
             int destSlotIndex = 0;
@@ -119,7 +170,7 @@ public class DefaultOverlayHandler implements IOverlayHandler {
                 if (!slot.getHasStack() || !canMoveFrom(slot, gui)) continue;
 
                 ItemStack stack = slot.getStack();
-                if (!canStack(stack, pstack)) continue;
+                if (!canStack(pstack, stack)) continue;
 
                 int amount = Math.min(transferCap - transferred, stack.stackSize);
                 FastTransferManager.clickSlot(gui, slot.slotNumber);
@@ -145,6 +196,7 @@ public class DefaultOverlayHandler implements IOverlayHandler {
 
     private int calculateRecipeQuantity(List<IngredientDistribution> assignedIngredients) {
         int quantity = Integer.MAX_VALUE;
+
         for (IngredientDistribution distrib : assignedIngredients) {
             DistributedIngred istack = distrib.distrib;
             if (istack.numSlots == 0) return 0;
@@ -160,6 +212,7 @@ public class DefaultOverlayHandler implements IOverlayHandler {
             }
             quantity = Math.min(quantity, newQuantity);
         }
+
         if (quantity == Integer.MAX_VALUE) {
             // Only possible if all ingredients were non-stackable
             quantity = 1;
@@ -292,14 +345,14 @@ public class DefaultOverlayHandler implements IOverlayHandler {
     }
 
     public DistributedIngred findIngred(List<DistributedIngred> ingredStacks, ItemStack pstack) {
-        for (DistributedIngred istack : ingredStacks) if (canStack(pstack, istack.stack)) return istack;
+        for (DistributedIngred istack : ingredStacks) if (canStack(istack.stack, pstack)) return istack;
         return null;
     }
 
     protected boolean canStack(ItemStack stack1, ItemStack stack2) {
         if (stack1 == null || stack2 == null) return true;
-        if (stack1.getItem() == stack2.getItem() && stack1.getItemDamage() == stack2.getItemDamage()) {
-            if (ItemStack.areItemStackTagsEqual(stack2, stack1)) return true;
+        if (NEIServerUtils.areStacksSameTypeCrafting(stack2, stack1)) {
+            if (NBTHelper.matchTag(stack1.getTagCompound(), stack2.getTagCompound())) return true;
 
             // GT Items don't have any NBT set for the recipe, so if either of the stacks has a NULL nbt, and the other
             // doesn't, pretend they stack

src/main/java/codechicken/nei/recipe/FillFluidContainerHandler.java

@@ -6,7 +6,6 @@ import net.minecraftforge.fluids.FluidContainerRegistry;
 import net.minecraftforge.fluids.FluidStack;
 import net.minecraftforge.fluids.IFluidContainerItem;
 
-import codechicken.nei.ItemPanel.ItemPanelSlot;
 import codechicken.nei.ItemPanels;
 import codechicken.nei.api.INEIGuiAdapter;
 
@@ -19,18 +18,18 @@ public class FillFluidContainerHandler extends INEIGuiAdapter {
             return false;
         }
 
-        if (draggedStack.getItem() instanceof IFluidContainerItem || FluidContainerRegistry.isContainer(draggedStack)) {
-            ItemPanelSlot mouseOverSlot = ItemPanels.itemPanel.getSlotMouseOver(mouseX, mouseY);
+        if (StackInfo.isFluidContainer(draggedStack)) {
+            ItemStack overItemStack = ItemPanels.itemPanel.getStackMouseOver(mouseX, mouseY);
 
-            if (mouseOverSlot == null) {
-                mouseOverSlot = ItemPanels.bookmarkPanel.getSlotMouseOver(mouseX, mouseY);
+            if (overItemStack == null) {
+                overItemStack = ItemPanels.bookmarkPanel.getStackMouseOver(mouseX, mouseY);
             }
 
-            if (mouseOverSlot != null) {
-                FluidStack fluidStack = StackInfo.getFluid(mouseOverSlot.item);
+            if (overItemStack != null) {
+                final FluidStack fluidStack = StackInfo.getFluid(overItemStack);
 
                 if (fluidStack != null) {
-                    ItemStack container = fillContainer(draggedStack, fluidStack);
+                    final ItemStack container = fillContainer(draggedStack, fluidStack);
 
                     if (container != null) {
                         container.stackSize = draggedStack.stackSize;
@@ -43,7 +42,7 @@ public class FillFluidContainerHandler extends INEIGuiAdapter {
                     }
 
                     if (button == 1 && StackInfo.getFluid(container != null ? container : draggedStack) != null) {
-                        ItemPanels.bookmarkPanel.addOrRemoveItem((container != null ? container : draggedStack).copy());
+                        ItemPanels.bookmarkPanel.addItem(container != null ? container : draggedStack);
                     }
                 }
 

src/main/java/codechicken/nei/recipe/GuiCraftingRecipe.java

@@ -4,7 +4,6 @@ import java.awt.Point;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashSet;
-import java.util.List;
 import java.util.Set;
 import java.util.function.UnaryOperator;
 import java.util.stream.Collectors;
@@ -14,11 +13,12 @@ import net.minecraft.client.gui.GuiScreen;
 import net.minecraft.item.ItemStack;
 
 import codechicken.lib.gui.GuiDraw;
-import codechicken.nei.ItemPanel.ItemPanelSlot;
+import codechicken.nei.FavoriteRecipes;
 import codechicken.nei.ItemPanels;
 import codechicken.nei.NEIClientConfig;
 import codechicken.nei.NEIClientUtils;
-import codechicken.nei.PositionedStack;
+import codechicken.nei.bookmark.BookmarksGridSlot;
+import codechicken.nei.recipe.Recipe.RecipeId;
 import codechicken.nei.recipe.stackinfo.GTFluidStackStringifyHandler;
 
 public class GuiCraftingRecipe extends GuiRecipe<ICraftingHandler> {
@@ -33,7 +33,7 @@ public class GuiCraftingRecipe extends GuiRecipe<ICraftingHandler> {
 
     public static GuiRecipe<?> createRecipeGui(String outputId, boolean open, Object... results) {
         final Minecraft mc = NEIClientUtils.mc();
-        final BookmarkRecipeId recipeId;
+        final RecipeId recipeId;
 
         if ("item".equals(outputId)) {
             for (int i = 0; i < results.length; i++) {
@@ -41,7 +41,7 @@ public class GuiCraftingRecipe extends GuiRecipe<ICraftingHandler> {
             }
             recipeId = getRecipeId(mc.currentScreen, (ItemStack) results[0]);
         } else if ("recipeId".equals(outputId)) {
-            recipeId = (BookmarkRecipeId) results[1];
+            recipeId = (RecipeId) results[1];
         } else {
             recipeId = getCurrentRecipeId(mc.currentScreen);
         }
@@ -62,28 +62,6 @@ public class GuiCraftingRecipe extends GuiRecipe<ICraftingHandler> {
         return null;
     }
 
-    public static boolean overlayRecipe(ItemStack stack, BookmarkRecipeId recipeId, final Boolean shift) {
-
-        if (stack == null || recipeId == null) {
-            return false;
-        }
-
-        final ArrayList<ICraftingHandler> handlers = getCraftingHandlers("recipeId", stack, recipeId);
-
-        if (!handlers.isEmpty()) {
-            final GuiCraftingRecipe gui = new GuiCraftingRecipe(handlers, true);
-            final int recipe = gui.openTargetRecipe(recipeId);
-
-            if (recipe != -1) {
-                gui.overlayRecipe(recipe, shift);
-                return true;
-            }
-
-        }
-
-        return false;
-    }
-
     public static ArrayList<ICraftingHandler> getCraftingHandlers(String outputId, Object... results) {
         ArrayList<ICraftingHandler> craftinghandlers = GuiCraftingRecipe.craftinghandlers;
         ArrayList<ICraftingHandler> serialCraftingHandlers = GuiCraftingRecipe.serialCraftingHandlers;
@@ -91,9 +69,9 @@ public class GuiCraftingRecipe extends GuiRecipe<ICraftingHandler> {
 
         if ("recipeId".equals(outputId)) {
             ItemStack stack = (ItemStack) results[0];
-            BookmarkRecipeId recipeId = (BookmarkRecipeId) results[1];
-            craftinghandlers = filterByHandlerName(craftinghandlers, recipeId.handlerName);
-            serialCraftingHandlers = filterByHandlerName(serialCraftingHandlers, recipeId.handlerName);
+            RecipeId recipeId = (RecipeId) results[1];
+            craftinghandlers = filterByHandlerName(craftinghandlers, recipeId.getHandleName());
+            serialCraftingHandlers = filterByHandlerName(serialCraftingHandlers, recipeId.getHandleName());
             recipeHandlerFunction = h -> h.getRecipeHandler("item", stack);
         } else {
             recipeHandlerFunction = h -> h.getRecipeHandler(outputId, results);
@@ -127,25 +105,29 @@ public class GuiCraftingRecipe extends GuiRecipe<ICraftingHandler> {
         return stack;
     }
 
-    protected static BookmarkRecipeId getRecipeId(GuiScreen gui, ItemStack stackover) {
+    public static RecipeId getRecipeId(GuiScreen gui, ItemStack stackover) {
 
-        if (gui instanceof GuiRecipe) {
-            final List<PositionedStack> ingredients = ((GuiRecipe<?>) gui).getFocusedRecipeIngredients();
-            final String handlerName = ((GuiRecipe<?>) gui).getHandlerName();
+        if (gui instanceof GuiRecipe guiRecipe) {
+            final Recipe focusedRecipe = guiRecipe.getFocusedRecipe();
 
-            if (ingredients != null && !ingredients.isEmpty()) {
-                return new BookmarkRecipeId(handlerName, ingredients);
+            if (focusedRecipe != null) {
+                return focusedRecipe.getRecipeId();
             }
         }
 
         final Point mouseover = GuiDraw.getMousePosition();
-        ItemPanelSlot panelSlot = ItemPanels.bookmarkPanel.getSlotMouseOver(mouseover.x, mouseover.y);
+        final BookmarksGridSlot panelSlot = ItemPanels.bookmarkPanel.getSlotMouseOver(mouseover.x, mouseover.y);
+        RecipeId recipeId = null;
 
-        if (panelSlot != null) {
-            return ItemPanels.bookmarkPanel.getBookmarkRecipeId(panelSlot.slotIndex);
+        if (panelSlot != null && !panelSlot.isIngredient()) {
+            recipeId = panelSlot.getRecipeId();
         }
 
-        return ItemPanels.bookmarkPanel.getBookmarkRecipeId(stackover);
+        if (recipeId == null) {
+            recipeId = FavoriteRecipes.getFavorite(stackover);
+        }
+
+        return recipeId;
     }
 
     private GuiCraftingRecipe(ArrayList<ICraftingHandler> handlers, boolean limitToOneRecipe) {

src/main/java/codechicken/nei/recipe/GuiFavoriteButton.java

@@ -0,0 +1,249 @@
+package codechicken.nei.recipe;
+
+import static codechicken.nei.NEIClientUtils.translate;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.inventory.GuiContainer;
+import net.minecraft.item.ItemStack;
+
+import org.lwjgl.opengl.GL11;
+
+import codechicken.lib.gui.GuiDraw;
+import codechicken.nei.BookmarkPanel.BookmarkViewMode;
+import codechicken.nei.FavoriteRecipes;
+import codechicken.nei.Image;
+import codechicken.nei.ItemPanels;
+import codechicken.nei.ItemStackSet;
+import codechicken.nei.LayoutManager;
+import codechicken.nei.NEIClientConfig;
+import codechicken.nei.NEIClientUtils;
+import codechicken.nei.drawable.DrawableBuilder;
+import codechicken.nei.drawable.DrawableResource;
+import codechicken.nei.recipe.Recipe.RecipeId;
+import codechicken.nei.recipe.Recipe.RecipeIngredient;
+import codechicken.nei.util.NEIMouseUtils;
+
+public class GuiFavoriteButton extends GuiRecipeButton {
+
+    private static final int BUTTON_ID_START = 14;
+
+    protected static final DrawableResource ICON_STATE_OFF = new DrawableBuilder(
+            "nei:textures/nei_sprites.png",
+            10,
+            76,
+            9,
+            10).build();
+    protected static final DrawableResource ICON_STATE_ON = new DrawableBuilder(
+            "nei:textures/nei_sprites.png",
+            19,
+            76,
+            9,
+            10).build();
+
+    protected final Recipe recipe;
+    protected boolean favorite = false;
+    protected RecipeIngredient favoriteResult = null;
+    protected RecipeIngredient selectedResult = null;
+
+    public GuiFavoriteButton(RecipeHandlerRef handlerRef, int x, int y) {
+        super(handlerRef, x, y, BUTTON_ID_START + handlerRef.recipeIndex, "❤");
+        this.recipe = Recipe.of(this.handlerRef);
+
+        ItemStack stack = FavoriteRecipes.getFavorite(this.recipe.getRecipeId());
+        this.favorite = stack != null;
+
+        if (stack == null) {
+            stack = this.recipe.getResult();
+        }
+
+        for (RecipeIngredient result : this.recipe.getResults()) {
+            if (StackInfo.equalItemAndNBT(result.getItemStack(), stack, true)) {
+                this.favoriteResult = result;
+                break;
+            }
+        }
+
+        this.visible = this.favoriteResult != null;
+    }
+
+    public boolean isFavorite() {
+        return favorite;
+    }
+
+    public void toggleFavorite() {
+        this.favorite = !this.favorite;
+
+        if (this.selectedResult != null) {
+            this.favoriteResult = this.selectedResult;
+        }
+
+        FavoriteRecipes
+                .setFavorite(this.favoriteResult.getItemStack(), this.favorite ? this.recipe.getRecipeId() : null);
+    }
+
+    @Override
+    protected void drawContent(Minecraft minecraft, int y, int x, boolean mouseOver) {
+        final DrawableResource icon = isFavorite() ? ICON_STATE_ON : ICON_STATE_OFF;
+        final int iconX = this.xPosition + (this.width - icon.width - 1) / 2;
+        final int iconY = this.yPosition + (this.height - icon.height) / 2;
+
+        GL11.glColor4f(1, 1, 1, this.enabled ? 1 : 0.5f);
+        GL11.glEnable(GL11.GL_BLEND);
+        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
+        icon.draw(iconX, iconY);
+        GL11.glDisable(GL11.GL_BLEND);
+        GL11.glColor4f(1, 1, 1, 1);
+
+        if (!mouseOver) {
+            this.selectedResult = null;
+        } else if (this.selectedResult == null) {
+            this.selectedResult = this.favoriteResult;
+        }
+    }
+
+    @Override
+    public void mouseReleased(int mouseX, int mouseY) {
+        toggleFavorite();
+    }
+
+    public Recipe getRecipe() {
+        return Recipe.of(this.handlerRef);
+    }
+
+    public void lastKeyTyped(GuiRecipe<?> gui, char keyChar, int keyID) {
+
+        if (NEIClientConfig.isKeyHashDown("gui.bookmark") && NEIClientUtils.shiftKey()) {
+            ItemPanels.bookmarkPanel.addGroup(getRecipesTree(getRecipe()), BookmarkViewMode.TODO_LIST, true);
+        }
+
+    }
+
+    @Override
+    public Map<String, String> handleHotkeys(GuiContainer gui, int mousex, int mousey, Map<String, String> hotkeys) {
+        hotkeys.put(
+                NEIClientConfig.getKeyName("gui.bookmark", NEIClientUtils.SHIFT_HASH),
+                translate("recipe.favorite.bookmark_recipe"));
+
+        if (this.recipe.getResults().size() > 1) {
+            hotkeys.put(
+                    NEIMouseUtils.getKeyName(NEIMouseUtils.MOUSE_BTN_NONE + NEIMouseUtils.MOUSE_SCROLL),
+                    translate("recipe.favorite.change_result_index"));
+        }
+
+        return hotkeys;
+    }
+
+    @Override
+    public List<String> handleTooltip(GuiRecipe<?> gui, List<String> currenttip) {
+        currenttip.add(translate("recipe.favorite"));
+
+        return currenttip;
+    }
+
+    @Override
+    public void drawItemOverlay() {
+        if (this.selectedResult == null) return;
+
+        NEIClientUtils.gl2DRenderContext(
+                () -> GuiDraw.drawRect(this.selectedResult.relx, this.selectedResult.rely, 16, 16, 0x66333333));
+
+        final Image icon = isFavorite() ? ICON_STATE_ON : ICON_STATE_OFF;
+        final int iconX = this.selectedResult.relx + (16 - icon.width) / 2;
+        final int iconY = this.selectedResult.rely + (18 - icon.height) / 2;
+
+        LayoutManager.drawIcon(iconX, iconY, icon);
+    }
+
+    @Override
+    public boolean mouseScrolled(GuiRecipe<?> gui, int scroll) {
+        if (this.selectedResult == null) return true;
+
+        final List<RecipeIngredient> results = new ArrayList<>(this.recipe.getResults());
+        if (results.size() <= 1) return true;
+
+        final Set<String> uniqueResults = new HashSet<>();
+        results.removeIf(ingr -> !uniqueResults.add(StackInfo.getItemStackGUID(ingr.getItemStack())));
+        final int nextIndex = (results.size() - scroll + results.indexOf(this.selectedResult)) % results.size();
+
+        this.selectedResult = results.get(nextIndex);
+        this.favorite = StackInfo.equalItemAndNBT(
+                results.get(nextIndex).getItemStack(),
+                FavoriteRecipes.getFavorite(this.recipe.getRecipeId()),
+                true);
+
+        return true;
+    }
+
+    private List<Recipe> getRecipesTree(Recipe mainRecipe) {
+        int depth = NEIClientConfig.getIntSetting("inventory.favorites.depth");
+        final ItemStackSet items = new ItemStackSet();
+        final List<Recipe> result = new ArrayList<>();
+        List<Recipe> loop = new ArrayList<>();
+        loop.add(mainRecipe);
+        result.add(mainRecipe);
+
+        while (!loop.isEmpty() && depth-- >= 0) {
+            List<Recipe> localLoop = new ArrayList<>();
+
+            for (Recipe localRecipe : loop) {
+                for (RecipeIngredient ingr : localRecipe.getIngredients()) {
+                    List<ItemStack> permutations = ingr.getPermutations();
+                    ItemStack stack = permutations.stream().filter(items::contains).findFirst().orElse(null);
+
+                    if (stack == null) {
+                        stack = ingr.getItemStack();
+                        RecipeId recipeId = FavoriteRecipes.getFavorite(stack);
+
+                        if (recipeId == null) {
+                            for (ItemStack permStack : permutations) {
+                                if ((recipeId = FavoriteRecipes.getFavorite(permStack)) != null) {
+                                    stack = permStack;
+                                    break;
+                                }
+                            }
+                        }
+
+                        Recipe recipe = Recipe.of(recipeId);
+
+                        if (recipe == null) {
+                            stack = null;
+                        } else {
+                            items.add(stack);
+
+                            if (depth >= 0) {
+                                result.add(recipe);
+                                localLoop.add(recipe);
+                            }
+                        }
+                    }
+
+                    if (stack != null) {
+                        ingr.setActiveIndex(getIngrActiveIndex(permutations, stack));
+                    }
+                }
+            }
+
+            loop = localLoop;
+        }
+
+        return result;
+    }
+
+    private int getIngrActiveIndex(List<ItemStack> permutations, ItemStack stack) {
+
+        for (int i = 0; i < permutations.size(); i++) {
+            if (StackInfo.equalItemAndNBT(stack, permutations.get(i), true)) {
+                return i;
+            }
+        }
+
+        return 0;
+    }
+
+}

src/main/java/codechicken/nei/recipe/GuiOverlayButton.java

@@ -1,66 +1,31 @@
 package codechicken.nei.recipe;
 
-import static codechicken.nei.NEIClientUtils.translate;
-
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 import java.util.stream.Collectors;
 
+import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.inventory.GuiContainer;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.EnumChatFormatting;
-import net.minecraftforge.client.event.GuiScreenEvent;
+
+import org.lwjgl.opengl.GL11;
 
 import codechicken.lib.gui.GuiDraw;
-import codechicken.lib.vec.Rectangle4i;
-import codechicken.nei.BookmarkPanel.BookmarkRecipe;
-import codechicken.nei.GuiNEIButton;
 import codechicken.nei.ItemPanels;
 import codechicken.nei.ItemsTooltipLineHandler;
 import codechicken.nei.LayoutManager;
 import codechicken.nei.NEIClientConfig;
 import codechicken.nei.NEIClientUtils;
 import codechicken.nei.PositionedStack;
-import codechicken.nei.api.IOverlayHandler;
-import cpw.mods.fml.common.eventhandler.Cancelable;
+import codechicken.nei.bookmark.BookmarkGrid;
+import codechicken.nei.drawable.DrawableBuilder;
+import codechicken.nei.drawable.DrawableResource;
+import codechicken.nei.util.NEIMouseUtils;
 
-public class GuiOverlayButton extends GuiNEIButton {
-
-    public static class UpdateOverlayButtonsEvent extends GuiScreenEvent {
-
-        public List<GuiOverlayButton> buttonList;
-
-        public UpdateOverlayButtonsEvent(GuiRecipe<?> gui, List<GuiOverlayButton> buttonList) {
-            super(gui);
-            this.buttonList = new ArrayList<>(buttonList);
-        }
-
-        @Cancelable
-        public static class Pre extends UpdateOverlayButtonsEvent {
-
-            public int xOffset;
-            public int yOffset;
-            public int height;
-            public HandlerInfo handlerInfo;
-
-            public Pre(GuiRecipe<?> gui, int xOffset, int yOffset, int height, HandlerInfo handlerInfo) {
-                super(gui, new ArrayList<>());
-                this.xOffset = xOffset;
-                this.yOffset = yOffset;
-                this.height = height;
-                this.handlerInfo = handlerInfo;
-            }
-        }
-
-        public static class Post extends UpdateOverlayButtonsEvent {
-
-            public Post(GuiRecipe<?> gui, List<GuiOverlayButton> buttonList) {
-                super(gui, buttonList);
-            }
-        }
-    }
+public class GuiOverlayButton extends GuiRecipeButton {
 
     public enum ItemOverlayFormat {
 
@@ -99,44 +64,59 @@ public class GuiOverlayButton extends GuiNEIButton {
         }
     }
 
-    private static final int OVERLAY_BUTTON_ID_START = 4;
+    protected static final DrawableResource ICON_FILL = new DrawableBuilder(
+            "nei:textures/nei_sprites.png",
+            28,
+            76,
+            9,
+            10).build();
+    protected static final DrawableResource ICON_FILL_ERROR = new DrawableBuilder(
+            "nei:textures/nei_sprites.png",
+            37,
+            76,
+            9,
+            10).build();
+    protected static final DrawableResource ICON_OVERLAY = new DrawableBuilder(
+            "nei:textures/nei_sprites.png",
+            46,
+            76,
+            9,
+            10).build();
+    protected static final int BUTTON_ID_SHIFT = 4;
 
     public final GuiContainer firstGui;
-    public final IRecipeHandler handler;
-    public final int recipeIndex;
 
-    protected ItemsTooltipLineHandler missedMaterialsTooltipLineHandler;
-
-    protected final IOverlayHandler overlayHandler;
     protected final List<ItemOverlayState> itemPresenceCache = new ArrayList<>();
+    protected ItemsTooltipLineHandler missedMaterialsTooltipLineHandler;
     protected boolean requireShiftForOverlayRecipe = true;
-    protected boolean useOverlayRenderer = false;
+    protected boolean canUseOverlayRenderer = false;
+    protected boolean canFillCraftingGrid = false;
     protected boolean hasOverlay = false;
 
-    public GuiOverlayButton(GuiContainer firstGui, IRecipeHandler handler, int recipeIndex, int x, int y, int width,
-            int height) {
-        super(OVERLAY_BUTTON_ID_START + recipeIndex, x, y, width, height, "+");
+    public GuiOverlayButton(GuiContainer firstGui, RecipeHandlerRef handlerRef, int x, int y) {
+        super(handlerRef, x, y, handlerRef.recipeIndex + BUTTON_ID_SHIFT, "+");
         this.firstGui = firstGui != null && firstGui.inventorySlots != null ? firstGui : null;
-        this.handler = handler;
-        this.recipeIndex = recipeIndex;
-        this.hasOverlay = this.firstGui != null
-                && handler.hasOverlay(this.firstGui, this.firstGui.inventorySlots, recipeIndex);
-        this.useOverlayRenderer = this.hasOverlay && handler.getOverlayRenderer(firstGui, recipeIndex) != null;
-        this.overlayHandler = this.hasOverlay ? handler.getOverlayHandler(firstGui, recipeIndex) : null;
+
+        this.canUseOverlayRenderer = this.firstGui != null && handlerRef.getRecipeOverlayRenderer(firstGui) != null;
+        this.canFillCraftingGrid = this.firstGui != null && handlerRef.getOverlayHandler(firstGui) != null;
+        this.hasOverlay = this.canUseOverlayRenderer || this.canFillCraftingGrid;
 
         setRequireShiftForOverlayRecipe(NEIClientConfig.requireShiftForOverlayRecipe());
         ingredientsOverlay();
     }
 
+    @Override
     public List<String> handleTooltip(GuiRecipe<?> gui, List<String> currenttip) {
-        currenttip.add(translate("recipe.overlay"));
+        currenttip.add(NEIClientUtils.translate("recipe.overlay"));
 
-        if (!this.enabled && this.requireShiftForOverlayRecipe && this.overlayHandler == null) {
+        if (!this.enabled && this.requireShiftForOverlayRecipe && this.canFillCraftingGrid) {
             currenttip.set(currenttip.size() - 1, currenttip.get(currenttip.size() - 1) + GuiDraw.TOOLTIP_LINESPACE);
-            currenttip.add(EnumChatFormatting.RED + translate("recipe.overlay.mismatch") + EnumChatFormatting.RESET);
+            currenttip.add(
+                    EnumChatFormatting.RED + NEIClientUtils.translate("recipe.overlay.mismatch")
+                            + EnumChatFormatting.RESET);
         } else if (this.missedMaterialsTooltipLineHandler != null) {
 
-            if ((!this.requireShiftForOverlayRecipe || NEIClientUtils.shiftKey()) && this.overlayHandler != null) {
+            if ((!this.requireShiftForOverlayRecipe || NEIClientUtils.shiftKey()) && this.canFillCraftingGrid) {
                 this.missedMaterialsTooltipLineHandler.setLabelColor(EnumChatFormatting.RED);
             } else {
                 this.missedMaterialsTooltipLineHandler.setLabelColor(EnumChatFormatting.GRAY);
@@ -148,31 +128,32 @@ public class GuiOverlayButton extends GuiNEIButton {
         return currenttip;
     }
 
+    @Override
     public Map<String, String> handleHotkeys(GuiContainer gui, int mousex, int mousey, Map<String, String> hotkeys) {
 
-        if (this.requireShiftForOverlayRecipe && this.useOverlayRenderer) {
-            hotkeys.put(translate("recipe.overlay.fillCraftingGrid.key"), translate("recipe.overlay.fillCraftingGrid"));
+        if (requireShiftForOverlayRecipe()) {
+
+            if (useOverlayRenderer()) {
+                hotkeys.put(
+                        NEIMouseUtils.getKeyName(NEIMouseUtils.MOUSE_BTN_LMB),
+                        NEIClientUtils.translate("recipe.overlay.overlayRecipe"));
+            }
+
+            if (canFillCraftingGrid()) {
+                hotkeys.put(
+                        NEIClientUtils.getKeyName(NEIClientUtils.SHIFT_HASH, NEIMouseUtils.MOUSE_BTN_LMB),
+                        NEIClientUtils.translate("recipe.overlay.fillCraftingGrid"));
+            }
+
+        } else if (canFillCraftingGrid()) {
+            hotkeys.put(
+                    NEIMouseUtils.getKeyName(NEIMouseUtils.MOUSE_BTN_LMB),
+                    NEIClientUtils.translate("recipe.overlay.fillCraftingGrid"));
         }
 
-        String keyName = NEIClientConfig.getKeyName("gui.bookmark");
-        if (keyName != null) {
-            hotkeys.put(keyName, translate("recipe.overlay.bookmark"));
-        }
-
-        keyName = NEIClientConfig.getKeyName("gui.bookmark_recipe");
-        if (keyName != null) {
-            hotkeys.put(keyName, translate("recipe.overlay.bookmarkRecipe"));
-        }
-
-        keyName = NEIClientConfig.getKeyName("gui.bookmark_count");
-        if (keyName != null) {
-            hotkeys.put(keyName, translate("recipe.overlay.bookmarkAmount"));
-        }
-
-        keyName = NEIClientConfig.getKeyName("gui.bookmark_recipe_count");
-        if (keyName != null) {
-            hotkeys.put(keyName, translate("recipe.overlay.bookmarkRecipeAndAmount"));
-        }
+        hotkeys.put(
+                NEIClientConfig.getKeyName("gui.bookmark", NEIClientUtils.SHIFT_HASH),
+                NEIClientUtils.translate("recipe.overlay.bookmarkRecipe"));
 
         return hotkeys;
     }
@@ -185,37 +166,59 @@ public class GuiOverlayButton extends GuiNEIButton {
         }
     }
 
-    public void drawItemPresenceOverlay() {
-        final int presenceOverlay = NEIClientConfig.itemPresenceOverlay();
-        final boolean highlightPresentItem = NEIClientConfig.isSlotHighlightPresent();
-        final ItemOverlayFormat format = ItemOverlayFormat.from(presenceOverlay);
+    @Override
+    protected void drawContent(Minecraft minecraft, int y, int x, boolean mouseOver) {
+        DrawableResource icon = ICON_OVERLAY;
 
-        for (ItemOverlayState overlay : ingredientsOverlay()) {
-            if (highlightPresentItem || !overlay.isPresent()) {
-                overlay.draw(format);
+        if (this.hasOverlay && (!this.requireShiftForOverlayRecipe || NEIClientUtils.shiftKey())) {
+            icon = canFillCraftingGrid() ? ICON_FILL : ICON_FILL_ERROR;
+        }
+
+        final int iconX = this.xPosition + (this.width - icon.width - 1) / 2;
+        final int iconY = this.yPosition + (this.height - icon.height) / 2;
+
+        GL11.glColor4f(1, 1, 1, this.enabled ? 1 : 0.5f);
+        GL11.glEnable(GL11.GL_BLEND);
+        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
+        icon.draw(iconX, iconY);
+        GL11.glDisable(GL11.GL_BLEND);
+        GL11.glColor4f(1, 1, 1, 1);
+    }
+
+    @Override
+    public void drawItemOverlay() {
+        final int presenceOverlay = NEIClientConfig.itemPresenceOverlay();
+
+        if (presenceOverlay > 0) {
+            final boolean highlightPresentItem = NEIClientConfig.isSlotHighlightPresent();
+            final ItemOverlayFormat format = ItemOverlayFormat.from(presenceOverlay);
+
+            for (ItemOverlayState overlay : ingredientsOverlay()) {
+                if (highlightPresentItem || !overlay.isPresent()) {
+                    overlay.draw(format);
+                }
             }
         }
     }
 
     protected List<ItemOverlayState> ingredientsOverlay() {
-        List<PositionedStack> ingredients = this.handler.getIngredientStacks(recipeIndex);
+        List<PositionedStack> ingredients = this.handlerRef.handler.getIngredientStacks(this.handlerRef.recipeIndex);
 
         if (this.itemPresenceCache.size() != ingredients.size()) {
             this.itemPresenceCache.clear();
 
-            if (this.overlayHandler != null) {
-                this.itemPresenceCache
-                        .addAll(this.overlayHandler.presenceOverlay(this.firstGui, this.handler, this.recipeIndex));
+            if (this.canFillCraftingGrid) {
+                this.itemPresenceCache.addAll(this.handlerRef.getPresenceOverlay(this.firstGui));
             } else if (this.firstGui != null) {
                 this.itemPresenceCache.addAll(presenceOverlay(ingredients));
             }
 
             List<ItemStack> items = this.itemPresenceCache.stream().filter(state -> !state.isPresent())
-                    .map(state -> state.getSlot().item).collect(Collectors.toCollection(ArrayList::new));
+                    .map(state -> state.getSlot().item).collect(Collectors.toList());
 
             if (!items.isEmpty()) {
                 this.missedMaterialsTooltipLineHandler = new ItemsTooltipLineHandler(
-                        translate("recipe.overlay.missing"),
+                        NEIClientUtils.translate("recipe.overlay.missing"),
                         items,
                         true,
                         Integer.MAX_VALUE);
@@ -229,25 +232,33 @@ public class GuiOverlayButton extends GuiNEIButton {
 
     public void setRequireShiftForOverlayRecipe(boolean require) {
         this.requireShiftForOverlayRecipe = require;
-        this.enabled = this.hasOverlay && (this.requireShiftForOverlayRecipe || this.overlayHandler != null);
+        this.enabled = this.hasOverlay && (this.requireShiftForOverlayRecipe || this.canFillCraftingGrid);
     }
 
-    public void setUseOverlayRenderer(boolean use) {
-        this.useOverlayRenderer = use;
+    public void setCanUseOverlayRenderer(boolean use) {
+        this.canUseOverlayRenderer = use;
     }
 
     public boolean useOverlayRenderer() {
-        return this.useOverlayRenderer;
+        return this.canUseOverlayRenderer;
+    }
+
+    public boolean requireShiftForOverlayRecipe() {
+        return this.requireShiftForOverlayRecipe;
     }
 
     public boolean canFillCraftingGrid() {
-        return this.missedMaterialsTooltipLineHandler == null;
+        return this.missedMaterialsTooltipLineHandler == null || this.handlerRef.canFillCraftingGrid(this.firstGui);
     }
 
     public boolean hasOverlay() {
         return this.hasOverlay;
     }
 
+    public Recipe getRecipe() {
+        return Recipe.of(this.handlerRef);
+    }
+
     private List<ItemOverlayState> presenceOverlay(List<PositionedStack> ingredients) {
         final List<ItemOverlayState> itemPresenceSlots = new ArrayList<>();
         final List<ItemStack> invStacks = this.firstGui.inventorySlots.inventorySlots.stream()
@@ -276,82 +287,30 @@ public class GuiOverlayButton extends GuiNEIButton {
     public void overlayRecipe(boolean shift) {
         if (!this.hasOverlay) return;
 
-        if (!this.useOverlayRenderer || !this.requireShiftForOverlayRecipe || shift) {
-            if (this.overlayHandler != null) {
-                this.overlayHandler.overlayRecipe(
-                        this.firstGui,
-                        this.handler,
-                        this.recipeIndex,
-                        !this.requireShiftForOverlayRecipe || shift);
+        if (!this.requireShiftForOverlayRecipe || shift) {
+            if (canFillCraftingGrid()) {
+                this.handlerRef.fillCraftingGrid(this.firstGui, 0);
             }
-        } else {
-            LayoutManager.overlayRenderer = this.handler.getOverlayRenderer(this.firstGui, this.recipeIndex);
+        } else if (useOverlayRenderer()) {
+            this.handlerRef.useOverlayRenderer(this.firstGui);
         }
 
     }
 
+    @Override
     public void lastKeyTyped(GuiRecipe<?> gui, char keyChar, int keyID) {
 
-        if (NEIClientConfig.isKeyHashDown("gui.bookmark")) {
-            saveRecipeInBookmark(false, false);
-        } else if (NEIClientConfig.isKeyHashDown("gui.bookmark_recipe")) {
-            saveRecipeInBookmark(true, false);
-        } else if (NEIClientConfig.isKeyHashDown("gui.bookmark_count")) {
-            saveRecipeInBookmark(false, true);
-        } else if (NEIClientConfig.isKeyHashDown("gui.bookmark_recipe_count")) {
-            saveRecipeInBookmark(true, true);
-        }
-
-    }
-
-    public void saveRecipeInBookmark(boolean saveIngredients, boolean saveStackSize) {
-        final HandlerInfo handlerInfo = GuiRecipeTab.getHandlerInfo(this.handler);
-        final List<PositionedStack> ingredients = this.handler.getIngredientStacks(this.recipeIndex);
-        final BookmarkRecipeId recipeId = new BookmarkRecipeId(handlerInfo.getHandlerName(), ingredients);
-
-        if (!ItemPanels.bookmarkPanel.removeBookmarkRecipeId(recipeId)) {
-            BookmarkRecipe recipe = new BookmarkRecipe();
-            recipe.handlerName = recipeId.handlerName;
-            recipe.recipeId = recipeId;
-
-            if (saveIngredients) {
-                for (PositionedStack stack : ingredients) {
-                    recipe.ingredients.add(stack.item);
-                }
-            }
-
-            PositionedStack result = this.handler.getResultStack(this.recipeIndex);
-
-            if (result != null) {
-                recipe.result.add(result.item);
-            } else {
-                for (PositionedStack stack : this.handler.getOtherStacks(this.recipeIndex)) {
-                    recipe.result.add(stack.item);
-                }
-            }
-
-            ItemPanels.bookmarkPanel.addRecipe(recipe, saveStackSize);
+        if (NEIClientConfig.isKeyHashDown("gui.bookmark") && NEIClientUtils.shiftKey()) {
+            saveRecipeInBookmark();
         }
     }
 
-    public int getResultStackSize(ItemStack stackover) {
-        final List<PositionedStack> stacks = this.handler.getOtherStacks(this.recipeIndex);
-        int stackSize = stackover.stackSize;
+    public void saveRecipeInBookmark() {
+        final Recipe recipe = getRecipe();
 
-        for (PositionedStack pStack : stacks) {
-            if (StackInfo.equalItemAndNBT(pStack.item, stackover, true)) {
-                stackSize += pStack.item.stackSize;
-            }
+        if (!ItemPanels.bookmarkPanel.removeRecipe(recipe.getRecipeId(), BookmarkGrid.DEFAULT_GROUP_ID)) {
+            ItemPanels.bookmarkPanel.addRecipe(recipe, BookmarkGrid.DEFAULT_GROUP_ID);
         }
-
-        return stackSize;
     }
 
-    public Rectangle4i bounds() {
-        return new Rectangle4i(this.xPosition, this.yPosition, this.width, this.height);
-    }
-
-    public boolean contains(int mx, int my) {
-        return bounds().contains(mx, my);
-    }
 }

src/main/java/codechicken/nei/recipe/GuiRecipe.java

@@ -19,7 +19,6 @@ import net.minecraft.client.renderer.OpenGlHelper;
 import net.minecraft.client.renderer.RenderHelper;
 import net.minecraft.inventory.Slot;
 import net.minecraft.item.ItemStack;
-import net.minecraft.util.EnumChatFormatting;
 import net.minecraftforge.common.MinecraftForge;
 
 import org.lwjgl.input.Keyboard;
@@ -28,8 +27,6 @@ import org.lwjgl.opengl.GL11;
 import codechicken.lib.gui.GuiDraw;
 import codechicken.nei.Button;
 import codechicken.nei.GuiNEIButton;
-import codechicken.nei.ItemsTooltipLineHandler;
-import codechicken.nei.LayoutManager;
 import codechicken.nei.NEICPH;
 import codechicken.nei.NEIClientConfig;
 import codechicken.nei.NEIClientUtils;
@@ -40,10 +37,8 @@ import codechicken.nei.SearchField;
 import codechicken.nei.VisiblityData;
 import codechicken.nei.api.IGuiContainerOverlay;
 import codechicken.nei.api.INEIGuiHandler;
-import codechicken.nei.api.IOverlayHandler;
 import codechicken.nei.api.IRecipeFilter;
 import codechicken.nei.api.IRecipeFilter.IRecipeFilterProvider;
-import codechicken.nei.api.IRecipeOverlayRenderer;
 import codechicken.nei.api.ItemFilter;
 import codechicken.nei.api.TaggedInventoryArea;
 import codechicken.nei.drawable.DrawableBuilder;
@@ -52,7 +47,9 @@ import codechicken.nei.guihook.GuiContainerManager;
 import codechicken.nei.guihook.IContainerTooltipHandler;
 import codechicken.nei.guihook.IGuiClientSide;
 import codechicken.nei.guihook.IGuiHandleMouseWheel;
-import codechicken.nei.recipe.GuiOverlayButton.UpdateOverlayButtonsEvent;
+import codechicken.nei.recipe.GuiRecipeButton.UpdateRecipeButtonsEvent;
+import codechicken.nei.recipe.Recipe.RecipeId;
+import codechicken.nei.util.NEIMouseUtils;
 
 public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer implements IGuiContainerOverlay,
         IGuiClientSide, IGuiHandleMouseWheel, IContainerTooltipHandler, INEIGuiHandler {
@@ -67,14 +64,14 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
     private static final int BG_BOTTOM_Y = BG_MIDDLE_Y + BG_MIDDLE_HEIGHT;
 
     // Button sizes
-    private static final int borderPadding = 6;
-    private static final int buttonWidth = 13;
-    private static final int buttonHeight = 12;
+    private static final int BORDER_PADDING = 6;
+    private static final int BUTTON_WIDTH = 13;
+    private static final int BUTTON_HEIGHT = 12;
 
     public static final List<IRecipeFilterProvider> recipeFilterers = new LinkedList<>();
 
     protected boolean limitToOneRecipe = false;
-    protected PermutationTooltipLineHandler permutationTooltipLineHandler;
+    protected AcceptsFollowingTooltipLineHandler acceptsFollowingTooltipLineHandler;
 
     // Background image
     final DrawableResource bgTop = new DrawableBuilder("nei:textures/gui/recipebg.png", 0, BG_TOP_Y, 176, BG_TOP_HEIGHT)
@@ -96,7 +93,7 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
     public int page;
     public int recipetype;
 
-    public BookmarkRecipeId recipeId;
+    private RecipeId recipeId;
     public ContainerRecipe slotcontainer;
     public GuiContainer firstGui;
     public GuiScreen firstGuiGeneral;
@@ -106,8 +103,13 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
     private GuiButton nexttype;
     private GuiButton prevtype;
 
+    // some mods reflect this property
+    @Deprecated
     private GuiOverlayButton[] overlayButtons = new GuiOverlayButton[0];
 
+    private final List<GuiRecipeButton> recipeButtons = new ArrayList<>();
+    private String recipePageCacheKey = "";
+
     private final Rectangle area = new Rectangle();
     private final GuiRecipeTabs recipeTabs;
     private final GuiRecipeCatalyst guiRecipeCatalyst;
@@ -116,41 +118,6 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
 
     private int yShift = 0;
 
-    protected static class PermutationTooltipLineHandler extends ItemsTooltipLineHandler {
-
-        protected PositionedStack pStack = null;
-
-        public PermutationTooltipLineHandler(PositionedStack pStack, List<ItemStack> items) {
-            super(NEIClientUtils.translate("recipe.accepts"), items, false, 5);
-            this.pStack = pStack;
-        }
-
-        public static PermutationTooltipLineHandler getInstance(PositionedStack pStack) {
-            final List<ItemStack> items = pStack.getFilteredPermutations();
-
-            if (items.size() > 1) {
-                return new PermutationTooltipLineHandler(pStack, items);
-            }
-
-            return null;
-        }
-
-        @Override
-        protected void drawItem(int x, int y, ItemStack drawStack, String stackSize) {
-
-            if (StackInfo.equalItemAndNBT(drawStack, this.pStack.item, true)) {
-                GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS);
-                GL11.glDisable(GL11.GL_LIGHTING);
-                GL11.glDisable(GL11.GL_DEPTH_TEST);
-                GuiDraw.drawRect(x - 1, y - 1, 18, 18, 0x66555555);
-                GL11.glPopAttrib();
-            }
-
-            super.drawItem(x, y, drawStack, stackSize);
-        }
-
-    }
-
     public static class ItemRecipeFilter implements IRecipeFilter {
 
         public ItemFilter filter;
@@ -248,7 +215,7 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
                         guiRecipe.changePage(0);
                     } else {
                         final IRecipeFilter filter = new ItemRecipeFilter(GuiRecipe.searchField.getFilter());
-                        List<Integer> filtered = searchHandler.getSearchResult(filter);
+                        final List<Integer> filtered = searchHandler.getSearchResult(filter);
 
                         if (filtered == null) {
                             stop();
@@ -323,9 +290,9 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
             this.firstGui = (GuiContainer) prevgui;
         }
 
-        if (prevgui instanceof IGuiContainerOverlay) {
-            this.firstGui = ((IGuiContainerOverlay) prevgui).getFirstScreen();
-            this.firstGuiGeneral = ((IGuiContainerOverlay) prevgui).getFirstScreenGeneral();
+        if (prevgui instanceof IGuiContainerOverlay gui) {
+            this.firstGui = gui.getFirstScreen();
+            this.firstGuiGeneral = gui.getFirstScreenGeneral();
         }
     }
 
@@ -435,23 +402,21 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
 
         if (handler == null) {
             setRecipePage(recipetype);
-        } else {
-            updateOverlayButtons();
         }
 
         checkYShift();
 
-        final int rightButtonX = guiLeft + xSize - borderPadding - buttonWidth;
-        final int leftButtonX = guiLeft + borderPadding;
+        final int rightButtonX = guiLeft + xSize - BORDER_PADDING - BUTTON_WIDTH;
+        final int leftButtonX = guiLeft + BORDER_PADDING;
 
-        nexttype = new GuiNEIButton(0, leftButtonX, guiTop + 3, buttonWidth, buttonHeight, "<") {
+        nexttype = new GuiNEIButton(0, leftButtonX, guiTop + 3, BUTTON_WIDTH, BUTTON_HEIGHT, "<") {
 
             @Override
             public void mouseReleased(int mouseX, int mouseY) {
                 prevType();
             }
         };
-        prevtype = new GuiNEIButton(1, rightButtonX, guiTop + 3, buttonWidth, buttonHeight, ">") {
+        prevtype = new GuiNEIButton(1, rightButtonX, guiTop + 3, BUTTON_WIDTH, BUTTON_HEIGHT, ">") {
 
             @Override
             public void mouseReleased(int mouseX, int mouseY) {
@@ -459,14 +424,14 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
             }
         };
 
-        nextpage = new GuiNEIButton(2, leftButtonX, guiTop + 17, buttonWidth, buttonHeight, "<") {
+        nextpage = new GuiNEIButton(2, leftButtonX, guiTop + 17, BUTTON_WIDTH, BUTTON_HEIGHT, "<") {
 
             @Override
             public void mouseReleased(int mouseX, int mouseY) {
                 prevPage();
             }
         };
-        prevpage = new GuiNEIButton(3, rightButtonX, guiTop + 17, buttonWidth, buttonHeight, ">") {
+        prevpage = new GuiNEIButton(3, rightButtonX, guiTop + 17, BUTTON_WIDTH, BUTTON_HEIGHT, ">") {
 
             @Override
             public void mouseReleased(int mouseX, int mouseY) {
@@ -477,7 +442,8 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
         toggleSearch.icon = new DrawableBuilder("nei:textures/nei_sprites.png", 0, 76, 10, 10).build();
 
         this.buttonList.addAll(Arrays.asList(nexttype, prevtype, nextpage, prevpage));
-        this.overlayButtons = new GuiOverlayButton[0];
+        this.recipeButtons.clear();
+        this.recipePageCacheKey = "";
 
         if (currenthandlers.size() == 1) {
             nexttype.visible = false;
@@ -488,22 +454,32 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
         refreshPage();
     }
 
-    private void updateOverlayButtons() {
+    private void updateRecipePage() {
         final List<Integer> indices = getRecipeIndices();
+        final String cacheKey = indices.isEmpty() ? ""
+                : handlerInfo.getHandlerName() + ":" + indices.get(0) + ":" + indices.get(indices.size() - 1);
 
-        if (isDirtyOverlayButtons(indices)) {
-            this.buttonList.removeIf(Arrays.asList(this.overlayButtons)::contains);
+        if (!cacheKey.equals(this.recipePageCacheKey)) {
+            this.recipePageCacheKey = cacheKey;
 
-            final int xOffset = (limitToOneRecipe ? 0 : guiLeft) + xSize - borderPadding;
-            final int yOffset = (limitToOneRecipe ? -buttonHeight : guiTop - 18) + getRecipePosition(0).y;
+            for (int refIndex = 0; refIndex < indices.size(); refIndex++) {
+                final int recipeIndex = indices.get(refIndex);
+                for (PositionedStack pStack : handler.original.getIngredientStacks(recipeIndex)) {
+                    pStack.setPermutationToRender(pStack.getFilteredPermutations().get(0));
+                }
+            }
+
+            final int xOffset = (limitToOneRecipe ? 0 : guiLeft) + xSize - BORDER_PADDING;
+            final int yOffset = (limitToOneRecipe ? -BUTTON_HEIGHT : guiTop - 18) + getRefIndexPosition(0).y;
             final int height = handlerInfo.getHeight() - yShift;
-            final UpdateOverlayButtonsEvent.Pre preEvent = new UpdateOverlayButtonsEvent.Pre(
+            final boolean showFavorites = NEIClientConfig.favoritesEnabled();
+            final UpdateRecipeButtonsEvent.Pre preEvent = new UpdateRecipeButtonsEvent.Pre(
                     this,
                     xOffset,
                     yOffset,
                     height,
                     handlerInfo);
-            List<GuiOverlayButton> buttons = new ArrayList<>();
+            List<GuiRecipeButton> buttons = new ArrayList<>();
 
             if (MinecraftForge.EVENT_BUS.post(preEvent)) {
                 buttons = preEvent.buttonList;
@@ -517,42 +493,46 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
                         continue;
                     }
 
-                    buttons.add(
-                            new GuiOverlayButton(
-                                    firstGui,
-                                    handler.original,
-                                    recipeIndex,
-                                    xOffset - buttonWidth,
-                                    yOffset + height * (refIndex + 1),
-                                    buttonWidth,
-                                    buttonHeight));
+                    GuiRecipeButton button = new GuiOverlayButton(
+                            firstGui,
+                            RecipeHandlerRef.of(handler.original, recipeIndex),
+                            xOffset - GuiRecipeButton.BUTTON_WIDTH,
+                            yOffset + height * (refIndex + 1));
+
+                    buttons.add(button);
+
+                    if (showFavorites) {
+                        buttons.add(
+                                new GuiFavoriteButton(
+                                        RecipeHandlerRef.of(handler.original, recipeIndex),
+                                        button.xPosition,
+                                        button.yPosition - button.height - 1));
+                    }
+
                 }
 
                 if (this.equals(this.mc.currentScreen)) {
-                    UpdateOverlayButtonsEvent.Post postEvent = new UpdateOverlayButtonsEvent.Post(this, buttons);
+                    UpdateRecipeButtonsEvent.Post postEvent = new UpdateRecipeButtonsEvent.Post(this, buttons);
                     MinecraftForge.EVENT_BUS.post(postEvent);
                     buttons = postEvent.buttonList;
                 }
             }
 
-            this.overlayButtons = buttons.toArray(new GuiOverlayButton[buttons.size()]);
+            if (!showFavorites) {
+                buttons.removeIf(GuiFavoriteButton.class::isInstance);
+            }
+
+            /** compatibility with old format */
+            this.overlayButtons = buttons.stream().filter(GuiOverlayButton.class::isInstance)
+                    .toArray(GuiOverlayButton[]::new);
+
+            this.buttonList.removeIf(this.recipeButtons::contains);
+            this.recipeButtons.clear();
+
+            this.recipeButtons.addAll(buttons);
             this.buttonList.addAll(buttons);
         }
-    }
 
-    private boolean isDirtyOverlayButtons(List<Integer> indices) {
-
-        if (this.overlayButtons.length == 0) {
-            return true;
-        }
-
-        for (GuiOverlayButton button : this.overlayButtons) {
-            if (button.handler != handler.original || !indices.contains(button.recipeIndex)) {
-                return true;
-            }
-        }
-
-        return false;
     }
 
     public static IRecipeFilter getRecipeListFilter() {
@@ -604,11 +584,18 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
         checkYShift();
     }
 
-    public List<GuiButton> getOverlayButtons() {
-        return Collections.unmodifiableList(Arrays.asList(this.overlayButtons));
+    public List<GuiRecipeButton> getRecipeButtons() {
+        return Collections.unmodifiableList(this.recipeButtons);
     }
 
-    public int openTargetRecipe(BookmarkRecipeId recipeId) {
+    public List<GuiButton> getOverlayButtons() {
+        return Collections.unmodifiableList(
+                Arrays.asList(
+                        this.recipeButtons.stream().filter(GuiOverlayButton.class::isInstance)
+                                .toArray(GuiButton[]::new)));
+    }
+
+    public int openTargetRecipe(RecipeId recipeId) {
         int refIndex = -1;
         int recipetype = 0;
 
@@ -619,13 +606,13 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
                 H localHandler = currenthandlers.get(j);
                 HandlerInfo localHandlerInfo = GuiRecipeTab.getHandlerInfo(localHandler);
 
-                if (localHandlerInfo.getHandlerName().equals(this.recipeId.handlerName)) {
+                if (localHandlerInfo.getHandlerName().equals(this.recipeId.getHandleName())) {
                     recipetype = j;
 
-                    if (!this.recipeId.ingredients.isEmpty()) {
+                    if (!this.recipeId.getIngredients().isEmpty()) {
                         refIndex = SearchRecipeHandler.findFirst(
                                 localHandler,
-                                (recipeIndex) -> this.recipeId
+                                recipeIndex -> this.recipeId
                                         .equalsIngredients(localHandler.getIngredientStacks(recipeIndex)));
                     }
 
@@ -639,49 +626,21 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
         return refIndex;
     }
 
-    public List<PositionedStack> getFocusedRecipeIngredients() {
-        List<Integer> indices = getRecipeIndices();
+    public Recipe getFocusedRecipe() {
+        final List<Integer> indices = getRecipeIndices();
 
         for (int refIndex = 0; refIndex < indices.size(); refIndex++) {
             final int recipeIndex = indices.get(refIndex);
             if (recipeInFocus(refIndex, recipeIndex)) {
-                return handler.original.getIngredientStacks(recipeIndex);
+                return Recipe.of(handler.original, recipeIndex);
             }
         }
 
         return null;
     }
 
-    public int prepareFocusedRecipeResultStackSize(ItemStack stackover) {
-        List<Integer> indices = getRecipeIndices();
-
-        for (int refIndex = 0; refIndex < indices.size(); refIndex++) {
-            final int recipeIndex = indices.get(refIndex);
-            if (recipeInFocus(refIndex, recipeIndex)) {
-                final PositionedStack result = handler.original.getResultStack(recipeIndex);
-                int stackSize = 0;
-
-                if (result != null && StackInfo.equalItemAndNBT(result.item, stackover, true)) {
-                    stackSize += result.item.stackSize;
-                }
-
-                final List<PositionedStack> stacks = handler.original.getOtherStacks(recipeIndex);
-                for (PositionedStack pStack : stacks) {
-                    if (StackInfo.equalItemAndNBT(pStack.item, stackover, true)) {
-                        stackSize += pStack.item.stackSize;
-                    }
-                }
-
-                return stackSize;
-            }
-        }
-
-        return stackover.stackSize;
-    }
-
     protected boolean recipeInFocus(int refIndex, int recipeIndex) {
         final PositionedStack result = handler.original.getResultStack(recipeIndex);
-
         if (result != null && isMouseOver(result, refIndex)) {
             return true;
         }
@@ -696,6 +655,15 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
         return false;
     }
 
+    public boolean isMouseOver(PositionedStack stack, int refIndex) {
+        Point p = getRefIndexPosition(refIndex);
+        Point mousepos = GuiDraw.getMousePosition();
+        Slot stackSlot = slotcontainer.getSlotWithStack(stack, p.x, p.y);
+        Slot mouseoverSlot = getSlotAtPosition(mousepos.x, mousepos.y);
+
+        return stackSlot == mouseoverSlot;
+    }
+
     public String getHandlerName() {
         return handlerInfo.getHandlerName();
     }
@@ -708,7 +676,7 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
         final int recipesPerPage = getRecipesPerPage();
         final int minIndex = page * recipesPerPage;
         final int maxIndex = Math.min(this.numRecipes(), (page + 1) * recipesPerPage);
-        final ArrayList<Integer> range = new ArrayList<>();
+        final List<Integer> range = new ArrayList<>();
 
         for (int index = minIndex; index < maxIndex; index++) {
             range.add(handler.ref(index));
@@ -752,7 +720,7 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
 
             Point mouse = GuiDraw.getMousePosition();
 
-            for (GuiOverlayButton button : this.overlayButtons) {
+            for (GuiRecipeButton button : this.recipeButtons) {
                 if (button.contains(mouse.x, mouse.y)) {
                     button.lastKeyTyped(this, c, i);
                 }
@@ -814,9 +782,19 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
         // handler-specific scroll behavior.
         if (recipeTabs.mouseScrolled(scroll)) return;
 
-        for (int recipeIndex : getRecipeIndices()) {
-            if (handler.original.mouseScrolled(this, scroll, recipeIndex)) {
-                return;
+        try (CompatibilityHacks compatibilityHacks = new CompatibilityHacks()) {
+            Point mouse = GuiDraw.getMousePosition();
+
+            for (GuiRecipeButton button : this.recipeButtons) {
+                if (button.contains(mouse.x, mouse.y) && button.mouseScrolled(this, scroll)) {
+                    return;
+                }
+            }
+
+            for (int recipeIndex : getRecipeIndices()) {
+                if (handler.original.mouseScrolled(this, scroll, recipeIndex)) {
+                    return;
+                }
             }
         }
 
@@ -845,8 +823,17 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
     @Override
     public void updateScreen() {
         super.updateScreen();
+        onUpdate();
+    }
+
+    public void onUpdate() {
         handler.original.onUpdate();
-        refreshPage();
+
+        if (limitToOneRecipe) {
+            refreshSlots();
+        } else {
+            refreshPage();
+        }
     }
 
     @Override
@@ -857,7 +844,7 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
                 currenttip = handler.original.handleTooltip(this, currenttip, recipeIndex);
             }
 
-            for (GuiOverlayButton button : this.overlayButtons) {
+            for (GuiRecipeButton button : this.recipeButtons) {
                 if (button.contains(mousex, mousey)) {
                     currenttip = button.handleTooltip(this, currenttip);
                 }
@@ -892,36 +879,36 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
             }
         }
 
-        if (NEIClientConfig.showCycledIngredientsTooltip()) {
-            PositionedStack focused = null;
+        if (NEIClientConfig.showCycledIngredientsTooltip() && itemstack != null) {
+            PositionedStack hovered = null;
 
-            for (int refIndex = 0; refIndex < indices.size(); refIndex++) {
+            for (int refIndex = 0; refIndex < indices.size() && hovered == null; refIndex++) {
                 final int recipeIndex = indices.get(refIndex);
+                final List<PositionedStack> stacks = handler.original.getIngredientStacks(recipeIndex);
 
-                if (itemstack != null && focused == null) {
-                    final List<PositionedStack> stacks = handler.original.getIngredientStacks(recipeIndex);
-
-                    for (PositionedStack pStack : stacks) {
-                        if (isMouseOver(pStack, refIndex)) {
-                            focused = pStack;
-                            break;
-                        }
+                for (PositionedStack pStack : stacks) {
+                    if (isMouseOver(pStack, refIndex)) {
+                        hovered = pStack;
+                        break;
                     }
                 }
             }
 
-            if (focused == null || focused.items.length <= 1) {
-                this.permutationTooltipLineHandler = null;
-            } else if (this.permutationTooltipLineHandler == null
-                    || this.permutationTooltipLineHandler.pStack != focused) {
-                        this.permutationTooltipLineHandler = PermutationTooltipLineHandler.getInstance(focused);
+            if (hovered == null || hovered.items.length <= 1) {
+                this.acceptsFollowingTooltipLineHandler = null;
+            } else if (this.acceptsFollowingTooltipLineHandler == null
+                    || this.acceptsFollowingTooltipLineHandler.tooltipGUID != hovered) {
+                        this.acceptsFollowingTooltipLineHandler = AcceptsFollowingTooltipLineHandler
+                                .of(hovered, hovered.getFilteredPermutations(), hovered.item);
                     }
-        } else if (this.permutationTooltipLineHandler != null) {
-            this.permutationTooltipLineHandler = null;
+        } else if (this.acceptsFollowingTooltipLineHandler != null) {
+            this.acceptsFollowingTooltipLineHandler = null;
         }
 
-        if (this.permutationTooltipLineHandler != null) {
-            currenttip.add(GuiDraw.TOOLTIP_HANDLER + GuiDraw.getTipLineId(this.permutationTooltipLineHandler));
+        if (this.acceptsFollowingTooltipLineHandler != null) {
+            this.acceptsFollowingTooltipLineHandler
+                    .setActiveStack(((PositionedStack) this.acceptsFollowingTooltipLineHandler.tooltipGUID).item);
+            currenttip.add(GuiDraw.TOOLTIP_HANDLER + GuiDraw.getTipLineId(this.acceptsFollowingTooltipLineHandler));
         }
 
         return currenttip;
@@ -931,13 +918,21 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
     public Map<String, String> handleHotkeys(GuiContainer gui, int mousex, int mousey, Map<String, String> hotkeys) {
 
         try (CompatibilityHacks compatibilityHacks = new CompatibilityHacks()) {
-            for (GuiOverlayButton button : this.overlayButtons) {
+            for (GuiRecipeButton button : this.recipeButtons) {
                 if (button.contains(mousex, mousey)) {
                     hotkeys = button.handleHotkeys(gui, mousex, mousey, hotkeys);
                 }
             }
         }
 
+        if (this.acceptsFollowingTooltipLineHandler != null) {
+            hotkeys.put(
+                    NEIClientUtils.getKeyName(
+                            NEIClientUtils.SHIFT_HASH,
+                            NEIMouseUtils.MOUSE_BTN_NONE + NEIMouseUtils.MOUSE_SCROLL),
+                    NEIClientUtils.translate("recipe.accepts.scroll"));
+        }
+
         return hotkeys;
     }
 
@@ -962,26 +957,6 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
         setRecipePage(--recipetype);
     }
 
-    protected void overlayRecipe(int recipeIndex, boolean shift) {
-
-        if (handler == null || !handler.original.hasOverlay(firstGui, firstGui.inventorySlots, recipeIndex)) {
-            return;
-        }
-
-        final boolean requireShiftForOverlayRecipe = NEIClientConfig.requireShiftForOverlayRecipe();
-        final IOverlayHandler overlayHandler = handler.original.getOverlayHandler(firstGui, recipeIndex);
-        final IRecipeOverlayRenderer renderer = handler.original.getOverlayRenderer(firstGui, recipeIndex);
-
-        if (renderer == null || !requireShiftForOverlayRecipe || shift) {
-            if (overlayHandler != null) {
-                overlayHandler
-                        .overlayRecipe(firstGui, handler.original, recipeIndex, !requireShiftForOverlayRecipe || shift);
-            }
-        } else {
-            LayoutManager.overlayRenderer = renderer;
-        }
-    }
-
     protected void changePage(int shift) {
         final int recipesPerPage = getRecipesPerPage();
         final int numRecipes = this.numRecipes();
@@ -997,7 +972,6 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
 
     public void refreshPage() {
         changePage(0);
-        refreshSlots();
         final int recipesPerPage = getRecipesPerPage();
         final boolean multiplepages = this.numRecipes() > recipesPerPage;
         final int numRecipes = Math.min(this.numRecipes() - (page * recipesPerPage), recipesPerPage);
@@ -1011,18 +985,19 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
         if (!limitToOneRecipe) {
             RecipeCatalysts.updatePosition(ySize - BG_TOP_HEIGHT - (GuiRecipeCatalyst.fullBorder * 2));
             toggleSearch.w = toggleSearch.h = 12;
-            toggleSearch.x = borderPadding + buttonWidth;
+            toggleSearch.x = BORDER_PADDING + BUTTON_WIDTH;
             toggleSearch.y = 17;
 
             searchField.y = 16;
-            searchField.x = borderPadding + buttonWidth + toggleSearch.w - 1;
-            searchField.w = xSize - (borderPadding + buttonWidth) * 2 + 1 - toggleSearch.w - 45;
+            searchField.x = BORDER_PADDING + BUTTON_WIDTH + toggleSearch.w - 1;
+            searchField.w = xSize - (BORDER_PADDING + BUTTON_WIDTH) * 2 + 1 - toggleSearch.w - 45;
             searchField.h = 14;
         }
 
         nextpage.enabled = prevpage.enabled = multiplepages;
 
-        updateOverlayButtons();
+        updateRecipePage();
+        refreshSlots();
         recipeTabs.refreshPage();
     }
 
@@ -1032,7 +1007,7 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
 
         for (int refIndex = 0; refIndex < indices.size(); refIndex++) {
             int recipeIndex = indices.get(refIndex);
-            Point p = getRecipePosition(refIndex);
+            Point p = getRefIndexPosition(refIndex);
             // Legacy recipe handlers only expect a single paging widget at the top of the recipe screen, in contrast,
             // GTNH NEI moves the recipe paging widget from the bottom to the top, which means said legacy handlers will
             // position item slots 16px too high in the screen.
@@ -1042,18 +1017,21 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
 
             TemplateRecipeHandler.disableCycledIngredients = false;
 
-            List<PositionedStack> stacks = handler.original.getIngredientStacks(recipeIndex);
-            for (PositionedStack stack : stacks) slotcontainer.addSlot(stack, p.x, p.y);
+            for (PositionedStack stack : handler.original.getIngredientStacks(recipeIndex)) {
+                slotcontainer.addSlot(stack, p.x, p.y);
+            }
 
-            stacks = handler.original.getOtherStacks(recipeIndex);
-            for (PositionedStack stack : stacks) slotcontainer.addSlot(stack, p.x, p.y);
+            for (PositionedStack stack : handler.original.getOtherStacks(recipeIndex)) {
+                slotcontainer.addSlot(stack, p.x, p.y);
+            }
 
             PositionedStack result = handler.original.getResultStack(recipeIndex);
-            if (result != null) slotcontainer.addSlot(result, p.x, p.y);
+            if (result != null) {
+                slotcontainer.addSlot(result, p.x, p.y);
+            }
 
             if (!limitToOneRecipe) {
-                List<PositionedStack> catalysts = RecipeCatalysts.getRecipeCatalysts(handler.original);
-                for (PositionedStack catalyst : catalysts) {
+                for (PositionedStack catalyst : RecipeCatalysts.getRecipeCatalysts(handler.original)) {
                     int xOffset = -GuiRecipeCatalyst.ingredientSize + 1;
                     int yOffset = BG_TOP_Y + GuiRecipeCatalyst.fullBorder;
                     slotcontainer.addSlot(catalyst, xOffset, yOffset);
@@ -1108,21 +1086,12 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
                 handler.original.drawForeground(recipeIndex);
 
                 if (limitToOneRecipe) {
-                    GuiOverlayButton overlayButton = Arrays.asList(this.overlayButtons).stream()
-                            .filter(b -> b.recipeIndex == recipeIndex).findAny().orElse(null);
+                    GuiOverlayButton overlayButton = (GuiOverlayButton) this.recipeButtons.stream()
+                            .filter(b -> b instanceof GuiOverlayButton && b.handlerRef.recipeIndex == recipeIndex)
+                            .findAny().orElse(null);
 
                     if (overlayButton != null && overlayButton.enabled) {
-                        final String overlayKeyName = NEIClientConfig.getKeyName("gui.overlay_use");
-
-                        if (overlayKeyName != null) {
-                            fontRendererObj.drawStringWithShadow(
-                                    EnumChatFormatting.ITALIC + overlayKeyName,
-                                    xSize - borderPadding - fontRendererObj.getStringWidth(overlayKeyName) - 10,
-                                    handlerInfo.getHeight() - fontRendererObj.FONT_HEIGHT,
-                                    0xffffff);
-                        }
-
-                        overlayButton.drawItemPresenceOverlay();
+                        overlayButton.drawItemOverlay();
                     }
                 }
 
@@ -1134,11 +1103,14 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
             GL11.glPushMatrix();
             GL11.glTranslatef(5, ySkip + yShift, 0);
 
-            if (!limitToOneRecipe && NEIClientConfig.itemPresenceOverlay() > 0) {
-                for (GuiOverlayButton button : this.overlayButtons) {
+            if (!limitToOneRecipe) {
+                for (GuiRecipeButton button : this.recipeButtons) {
                     if (button.contains(mouseX, mouseY)) {
-                        GL11.glTranslatef(0, handlerInfo.getHeight() * indices.indexOf(button.recipeIndex), 0);
-                        button.drawItemPresenceOverlay();
+                        GL11.glTranslatef(
+                                0,
+                                handlerInfo.getHeight() * indices.indexOf(button.handlerRef.recipeIndex),
+                                0);
+                        button.drawItemOverlay();
                         break;
                     }
                 }
@@ -1158,16 +1130,16 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
 
         if (NEIClientConfig.areJEIStyleTabsVisible() && !limitToOneRecipe) {
             drawRect(
-                    guiLeft + borderPadding + buttonWidth - 1,
+                    guiLeft + BORDER_PADDING + BUTTON_WIDTH - 1,
                     nexttype.yPosition,
-                    guiLeft + xSize - borderPadding - buttonWidth,
-                    nexttype.yPosition + buttonHeight,
+                    guiLeft + xSize - BORDER_PADDING - BUTTON_WIDTH,
+                    nexttype.yPosition + BUTTON_HEIGHT,
                     0x30000000);
             drawRect(
-                    guiLeft + borderPadding + buttonWidth - 1,
+                    guiLeft + BORDER_PADDING + BUTTON_WIDTH - 1,
                     nextpage.yPosition,
-                    guiLeft + xSize - borderPadding - buttonWidth,
-                    nextpage.yPosition + buttonHeight,
+                    guiLeft + xSize - BORDER_PADDING - BUTTON_WIDTH,
+                    nextpage.yPosition + BUTTON_HEIGHT,
                     0x30000000);
 
             RenderHelper.enableGUIStandardItemLighting();
@@ -1240,15 +1212,6 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
         return firstGuiGeneral;
     }
 
-    public boolean isMouseOver(PositionedStack stack, int refIndex) {
-        Point p = getRecipePosition(refIndex);
-        Point mousepos = GuiDraw.getMousePosition();
-        Slot stackSlot = slotcontainer.getSlotWithStack(stack, p.x, p.y);
-        Slot mouseoverSlot = getSlotAtPosition(mousepos.x, mousepos.y);
-
-        return stackSlot == mouseoverSlot;
-    }
-
     private int getRecipesPerPage() {
         return limitToOneRecipe ? 1 : getRecipesPerPage(handlerInfo);
     }
@@ -1257,7 +1220,7 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
         if (handlerInfo != null) {
             return Math.max(
                     Math.min(
-                            ((ySize - (buttonHeight * 3)) / handlerInfo.getHeight()),
+                            ((ySize - (BUTTON_HEIGHT * 3)) / handlerInfo.getHeight()),
                             handlerInfo.getMaxRecipesPerPage()),
                     1);
         } else if (handler != null) {
@@ -1266,10 +1229,14 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
         return 1;
     }
 
-    public Point getRecipePosition(int refIndex) {
-        // Legacy recipe handlers using the height hack might use getRecipePosition in combination with guiTop/height to
-        // position certain elements like tooltips. Since guiTop is moved down by 16px during height hacking, we need to
-        // reduce the vertical shift here to 16px instead of 32px.
+    public Point getRecipePosition(int recipe) {
+        return getRefIndexPosition(getRecipeIndices().indexOf(recipe));
+    }
+
+    protected Point getRefIndexPosition(int refIndex) {
+        // Legacy recipe handlers using the height hack might use getRefIndexPosition in combination with guiTop/height
+        // to position certain elements like tooltips. Since guiTop is moved down by 16px during height hacking, we need
+        // to reduce the vertical shift here to 16px instead of 32px.
         return new Point(
                 5,
                 (isHeightHackApplied ? 16 : 32) - (limitToOneRecipe ? 25 : 0)
@@ -1311,16 +1278,14 @@ public abstract class GuiRecipe<H extends IRecipeHandler> extends GuiContainer i
         return area.intersects(x, y, w, h);
     }
 
-    protected static BookmarkRecipeId getCurrentRecipeId(GuiScreen gui) {
+    protected static RecipeId getCurrentRecipeId(GuiScreen gui) {
 
-        if (gui instanceof GuiRecipe && ((GuiRecipe<?>) gui).handler.numRecipes() > 0) {
-            final GuiRecipe<?> gRecipe = (GuiRecipe<?>) gui;
+        if ((gui instanceof GuiRecipe<?>gRecipe) && gRecipe.handler.numRecipes() > 0) {
             final List<Integer> indices = gRecipe.getRecipeIndices();
             final int curRecipe = indices.isEmpty() ? 0 : indices.get(0);
+            final Recipe recipe = Recipe.of(gRecipe.handler.original, curRecipe);
 
-            return new BookmarkRecipeId(
-                    gRecipe.handlerInfo.getHandlerName(),
-                    gRecipe.handler.original.getIngredientStacks(curRecipe));
+            return recipe != null ? recipe.getRecipeId() : null;
         }
 
         return null;

src/main/java/codechicken/nei/recipe/GuiRecipeButton.java

@@ -0,0 +1,80 @@
+package codechicken.nei.recipe;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+import net.minecraft.client.gui.inventory.GuiContainer;
+import net.minecraftforge.client.event.GuiScreenEvent;
+
+import codechicken.lib.vec.Rectangle4i;
+import codechicken.nei.GuiNEIButton;
+import cpw.mods.fml.common.eventhandler.Cancelable;
+
+public abstract class GuiRecipeButton extends GuiNEIButton {
+
+    public static class UpdateRecipeButtonsEvent extends GuiScreenEvent {
+
+        public List<GuiRecipeButton> buttonList;
+
+        public UpdateRecipeButtonsEvent(GuiRecipe<?> gui, List<GuiRecipeButton> buttonList) {
+            super(gui);
+            this.buttonList = new ArrayList<>(buttonList);
+        }
+
+        @Cancelable
+        public static class Pre extends UpdateRecipeButtonsEvent {
+
+            public int xOffset;
+            public int yOffset;
+            public int height;
+            public HandlerInfo handlerInfo;
+
+            public Pre(GuiRecipe<?> gui, int xOffset, int yOffset, int height, HandlerInfo handlerInfo) {
+                super(gui, new ArrayList<>());
+                this.xOffset = xOffset;
+                this.yOffset = yOffset;
+                this.height = height;
+                this.handlerInfo = handlerInfo;
+            }
+        }
+
+        public static class Post extends UpdateRecipeButtonsEvent {
+
+            public Post(GuiRecipe<?> gui, List<GuiRecipeButton> buttonList) {
+                super(gui, buttonList);
+            }
+        }
+    }
+
+    public static final int BUTTON_WIDTH = 12;
+    public static final int BUTTON_HEIGHT = 12;
+
+    public final RecipeHandlerRef handlerRef;
+
+    protected GuiRecipeButton(RecipeHandlerRef point, int x, int y, int buttonId, String label) {
+        super(buttonId, x, y, BUTTON_WIDTH, BUTTON_HEIGHT, label);
+        this.handlerRef = point;
+    }
+
+    abstract List<String> handleTooltip(GuiRecipe<?> gui, List<String> currenttip);
+
+    abstract Map<String, String> handleHotkeys(GuiContainer gui, int mousex, int mousey, Map<String, String> hotkeys);
+
+    abstract void lastKeyTyped(GuiRecipe<?> gui, char keyChar, int keyID);
+
+    abstract void drawItemOverlay();
+
+    public boolean mouseScrolled(GuiRecipe<?> gui, int scroll) {
+        return false;
+    }
+
+    public Rectangle4i bounds() {
+        return new Rectangle4i(this.xPosition, this.yPosition, this.width, this.height);
+    }
+
+    public boolean contains(int mx, int my) {
+        return bounds().contains(mx, my);
+    }
+
+}

src/main/java/codechicken/nei/recipe/GuiUsageRecipe.java

@@ -10,6 +10,7 @@ import net.minecraft.item.ItemStack;
 
 import codechicken.nei.NEIClientConfig;
 import codechicken.nei.NEIClientUtils;
+import codechicken.nei.recipe.Recipe.RecipeId;
 import codechicken.nei.recipe.stackinfo.GTFluidStackStringifyHandler;
 
 public class GuiUsageRecipe extends GuiRecipe<IUsageHandler> {
@@ -30,7 +31,7 @@ public class GuiUsageRecipe extends GuiRecipe<IUsageHandler> {
 
         if (!handlers.isEmpty()) {
             final Minecraft mc = NEIClientUtils.mc();
-            final BookmarkRecipeId recipeId = getCurrentRecipeId(mc.currentScreen);
+            final RecipeId recipeId = getCurrentRecipeId(mc.currentScreen);
             final GuiUsageRecipe gui = new GuiUsageRecipe(handlers);
 
             mc.displayGuiScreen(gui);

src/main/java/codechicken/nei/recipe/Recipe.java

@@ -0,0 +1,456 @@
+package codechicken.nei.recipe;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraftforge.fluids.FluidContainerRegistry;
+
+import com.google.common.base.Objects;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonPrimitive;
+
+import codechicken.nei.NEIServerUtils;
+import codechicken.nei.PositionedStack;
+import codechicken.nei.api.ItemInfo;
+import codechicken.nei.util.NBTJson;
+
+public class Recipe {
+
+    public static class RecipeId {
+
+        private static final String KEY_HANDLER_NAME = "handlerName";
+        private static final String KEY_INGREDIENTS = "ingredients";
+        private static final String KEY_RESULT = "result";
+
+        private final String handlerName;
+        private final List<ItemStack> ingredients;
+        private final ItemStack result;
+
+        protected RecipeId(ItemStack result, String handlerName, List<ItemStack> ingredients) {
+            this.result = result != null ? StackInfo.withAmount(result, 0) : null;
+            this.handlerName = handlerName;
+            this.ingredients = ingredients;
+        }
+
+        public static RecipeId of(Object result, String handlerName, Iterable<?> ingredients) {
+            return new RecipeId(extractItem(result), handlerName, extractItems(ingredients));
+        }
+
+        public static RecipeId of(JsonObject json) {
+            String handlerName = null;
+            List<ItemStack> ingredients = new ArrayList<>();
+            ItemStack result = null;
+
+            if (json.get(KEY_HANDLER_NAME) != null) {
+                handlerName = json.get(KEY_HANDLER_NAME).getAsString();
+            }
+
+            if (json.get(KEY_INGREDIENTS) != null) {
+                ingredients = convertJsonArrayToItems(json.getAsJsonArray(KEY_INGREDIENTS));
+            }
+
+            if (json.get(KEY_RESULT) != null) {
+                result = StackInfo.loadFromNBT((NBTTagCompound) NBTJson.toNbt(json.getAsJsonObject(KEY_RESULT)));
+            }
+
+            return new RecipeId(result, handlerName, ingredients);
+        }
+
+        public String getHandleName() {
+            return this.handlerName;
+        }
+
+        public ItemStack getResult() {
+            return this.result;
+        }
+
+        public List<ItemStack> getIngredients() {
+            return new ArrayList<>(this.ingredients);
+        }
+
+        protected static List<ItemStack> extractItems(Iterable<?> items) {
+            final List<ItemStack> list = new ArrayList<>();
+
+            for (Object item : items) {
+                ItemStack stack = extractItem(item);
+
+                if (stack != null) {
+                    list.add(stack.copy());
+                }
+            }
+
+            return list;
+        }
+
+        protected static ItemStack extractItem(Object item) {
+
+            if (item instanceof PositionedStack positionedStack) {
+                item = StackInfo.getItemStackWithMinimumDamage(positionedStack.items);
+            }
+
+            if (item instanceof RecipeIngredient ingr) {
+                item = StackInfo.getItemStackWithMinimumDamage(ingr.getPermutations().toArray(new ItemStack[0]));
+            }
+
+            if (item instanceof NBTTagCompound nbTag) {
+                return StackInfo.loadFromNBT(nbTag);
+            }
+
+            if (item instanceof ItemStack stack) {
+                return stack;
+            }
+
+            return null;
+        }
+
+        public boolean equalsIngredients(List<PositionedStack> stacks) {
+
+            if (ingredients.size() != stacks.size()) {
+                return false;
+            }
+
+            for (int index = 0; index < stacks.size(); index++) {
+                if (!stacks.get(index).containsWithNBT(ingredients.get(index))) {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+
+        public JsonObject toJsonObject() {
+            final JsonObject json = new JsonObject();
+
+            if (this.handlerName != null && !"".equals(this.handlerName)) {
+                json.add(KEY_HANDLER_NAME, new JsonPrimitive(this.handlerName));
+                json.add(KEY_INGREDIENTS, convertItemsToJsonArray(this.ingredients));
+
+                if (this.result != null) { // old format without result
+                    json.add(KEY_RESULT, NBTJson.toJsonObject(StackInfo.itemStackToNBT(this.result)));
+                }
+            }
+
+            return json;
+        }
+
+        protected JsonArray convertItemsToJsonArray(List<ItemStack> items) {
+            final JsonArray arr = new JsonArray();
+
+            for (ItemStack nbTag : items) {
+                arr.add(NBTJson.toJsonObject(StackInfo.itemStackToNBT(nbTag)));
+            }
+
+            return arr;
+        }
+
+        protected static List<ItemStack> convertJsonArrayToItems(JsonArray arr) {
+            final List<ItemStack> items = new ArrayList<>();
+
+            for (JsonElement elem : arr) {
+                final ItemStack nbt = StackInfo.loadFromNBT((NBTTagCompound) NBTJson.toNbt(elem));
+
+                if (nbt == null) {
+                    return new ArrayList<>();
+                }
+
+                items.add(nbt);
+            }
+
+            return items;
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hashCode(this.handlerName, this.ingredients.size());
+        }
+
+        @Override
+        public boolean equals(Object anObject) {
+            if (this == anObject) {
+                return true;
+            }
+
+            if (anObject instanceof RecipeId anRecipeId) {
+
+                if (!this.handlerName.equals(anRecipeId.handlerName)) {
+                    return false;
+                }
+
+                if (this.ingredients.size() != anRecipeId.ingredients.size()) {
+                    return false;
+                }
+
+                if (this.result != null && anRecipeId.result != null
+                        && !StackInfo.equalItemAndNBT(this.result, anRecipeId.result, true)) {
+                    return false;
+                }
+
+                for (int idx = 0; idx < this.ingredients.size(); idx++) {
+                    if (!StackInfo.equalItemAndNBT(this.ingredients.get(idx), anRecipeId.ingredients.get(idx), true)) {
+                        return false;
+                    }
+                }
+
+                return true;
+            }
+
+            return false;
+        }
+
+        public RecipeId copy() {
+            return new RecipeId(this.result, this.handlerName, this.ingredients);
+        }
+
+    }
+
+    public static class RecipeIngredient {
+
+        protected final ItemStack[] items;
+        protected int activeIndex = 0;
+        protected int amount = 0;
+
+        protected int relx;
+        protected int rely;
+
+        public RecipeIngredient(int relx, int rely, List<ItemStack> items, int activeIndex) {
+            this.items = items.stream().map(ItemStack::copy).toArray(size -> new ItemStack[size]);
+            this.amount = StackInfo.getAmount(this.items[activeIndex]);
+            this.activeIndex = activeIndex;
+            this.relx = relx;
+            this.rely = rely;
+        }
+
+        public static RecipeIngredient of(PositionedStack positionedStack) {
+            final List<ItemStack> stacks = Arrays.asList(positionedStack.items).stream()
+                    .filter(item -> !ItemInfo.isHidden(item)).collect(Collectors.toList());
+            int activeIndex = 0;
+
+            if (stacks.isEmpty()) {
+                stacks.addAll(Arrays.asList(positionedStack.items));
+            }
+
+            for (int i = 0; i < stacks.size(); i++) {
+                if (NEIServerUtils.areStacksSameTypeCraftingWithNBT(positionedStack.item, stacks.get(i))) {
+                    activeIndex = i;
+                    break;
+                }
+            }
+
+            return of(positionedStack.relx, positionedStack.rely, stacks, activeIndex);
+        }
+
+        public static RecipeIngredient of(int relx, int rely, List<ItemStack> stacks, int activeIndex) {
+            return new RecipeIngredient(relx, rely, stacks, activeIndex);
+        }
+
+        public int getAmount() {
+            return this.amount;
+        }
+
+        public ItemStack getItemStack() {
+            return this.items[this.activeIndex];
+        }
+
+        public void setActiveIndex(int activeIndex) {
+            this.activeIndex = Math.max(0, Math.min(activeIndex, this.items.length - 1));
+        }
+
+        public boolean contains(ItemStack stackA) {
+            return getPermutations().stream().anyMatch(stackB -> StackInfo.equalItemAndNBT(stackA, stackB, true));
+        }
+
+        public List<ItemStack> getPermutations() {
+            return Arrays.asList(this.items);
+        }
+
+        public RecipeIngredient setAmount(int amount) {
+
+            for (int index = 0; index < this.items.length; index++) {
+                this.items[index] = StackInfo.withAmount(this.items[index], amount);
+            }
+
+            return this;
+        }
+
+        public RecipeIngredient copy() {
+            return new RecipeIngredient(
+                    this.relx,
+                    this.rely,
+                    getPermutations().stream().map(ItemStack::copy).collect(Collectors.toList()),
+                    this.activeIndex);
+        }
+    }
+
+    private final String handlerName;
+    private final RecipeIngredient[] results;
+    private final RecipeIngredient[] ingredients;
+    private RecipeId recipeId = null;
+
+    private Recipe(String handlerName, List<RecipeIngredient> ingredients, List<RecipeIngredient> results) {
+        this.handlerName = handlerName;
+        this.ingredients = ingredients.toArray(new RecipeIngredient[ingredients.size()]);
+        this.results = results.toArray(new RecipeIngredient[results.size()]);
+    }
+
+    public static Recipe of(IRecipeHandler handler, int recipeIndex) {
+        final String handlerName = GuiRecipeTab.getHandlerInfo(handler).getHandlerName();
+        final List<RecipeIngredient> ingredients = new ArrayList<>();
+        final List<RecipeIngredient> results = new ArrayList<>();
+
+        for (PositionedStack positionedStack : handler.getIngredientStacks(recipeIndex)) {
+            ingredients.add(RecipeIngredient.of(positionedStack));
+        }
+
+        if (handler.getResultStack(recipeIndex) != null) {
+            results.add(RecipeIngredient.of(handler.getResultStack(recipeIndex)));
+        } else {
+            for (PositionedStack positionedStack : handler.getOtherStacks(recipeIndex)) {
+                results.add(RecipeIngredient.of(positionedStack));
+            }
+        }
+
+        return new Recipe(handlerName, ingredients, results);
+    }
+
+    public static Recipe of(List<?> results, String handlerName, List<?> ingredients) {
+        return new Recipe(handlerName, extractItems(ingredients), extractItems(results));
+    }
+
+    public static Recipe of(RecipeHandlerRef handlerRef) {
+        return Recipe.of(handlerRef.handler, handlerRef.recipeIndex);
+    }
+
+    public static Recipe of(RecipeId recipeId) {
+        if (recipeId == null) {
+            return null;
+        }
+
+        final RecipeHandlerRef handlerRef = RecipeHandlerRef.of(recipeId);
+
+        if (handlerRef != null) {
+            return Recipe.of(handlerRef);
+        }
+
+        return null;
+    }
+
+    protected static List<RecipeIngredient> extractItems(List<?> items) {
+        final List<RecipeIngredient> list = new ArrayList<>();
+
+        for (Object item : items) {
+            RecipeIngredient ingr = extractItem(item);
+
+            if (ingr != null) {
+                list.add(ingr);
+            }
+        }
+
+        return list;
+    }
+
+    protected static RecipeIngredient extractItem(Object item) {
+
+        if (item instanceof PositionedStack positionedStack) {
+            return RecipeIngredient.of(positionedStack);
+        }
+
+        if (item instanceof NBTTagCompound nbTag) {
+            item = StackInfo.loadFromNBT(nbTag);
+        }
+
+        if (item instanceof ItemStack stack) {
+            return RecipeIngredient.of(0, 0, Arrays.asList(stack), 0);
+        }
+
+        if (item instanceof RecipeIngredient ingr) {
+            return ingr.copy();
+        }
+
+        return null;
+    }
+
+    public String getHandlerName() {
+        return this.handlerName;
+    }
+
+    public List<RecipeIngredient> getResults() {
+        return Arrays.asList(this.results);
+    }
+
+    public List<RecipeIngredient> getIngredients() {
+        return Arrays.asList(this.ingredients);
+    }
+
+    public ItemStack getResult() {
+        return getResult(null);
+    }
+
+    public ItemStack getResult(ItemStack stack) {
+
+        if (this.results.length == 0) {
+            return null;
+        }
+
+        if (stack == null && this.results.length > 1) {
+            for (RecipeIngredient ingr : this.results) {
+                if (!FluidContainerRegistry.isContainer(ingr.getItemStack())
+                        || StackInfo.getFluid(ingr.getItemStack()) != null) {
+                    stack = ingr.getItemStack();
+                    break;
+                }
+            }
+        }
+
+        if (stack == null) {
+            stack = this.results[0].getItemStack();
+        }
+
+        int stackSize = 0;
+
+        for (RecipeIngredient result : this.results) {
+            if (result.contains(stack)) {
+                stackSize += result.getAmount();
+            }
+        }
+
+        return StackInfo.withAmount(stack, stackSize);
+    }
+
+    public RecipeId getRecipeId() {
+
+        if (this.recipeId == null) {
+            this.recipeId = RecipeId.of(getResult(), this.handlerName, getIngredients());
+        }
+
+        return this.recipeId;
+    }
+
+    public void setCustomRecipeId(RecipeId recipeId) {
+        this.recipeId = recipeId;
+    }
+
+    public Recipe copy() {
+        final List<RecipeIngredient> ingredients = new ArrayList<>();
+        final List<RecipeIngredient> results = new ArrayList<>();
+
+        for (RecipeIngredient ingr : this.ingredients) {
+            ingredients.add(ingr.copy());
+        }
+
+        for (RecipeIngredient res : this.results) {
+            results.add(res.copy());
+        }
+
+        Recipe recipe = new Recipe(this.handlerName, ingredients, results);
+        recipe.recipeId = this.recipeId;
+
+        return recipe;
+    }
+
+}

src/main/java/codechicken/nei/recipe/RecipeHandlerRef.java

@@ -0,0 +1,185 @@
+package codechicken.nei.recipe;
+
+import java.util.Collections;
+import java.util.List;
+
+import net.minecraft.client.gui.inventory.GuiContainer;
+
+import codechicken.nei.LRUCache;
+import codechicken.nei.LayoutManager;
+import codechicken.nei.api.IOverlayHandler;
+import codechicken.nei.api.IRecipeOverlayRenderer;
+import codechicken.nei.recipe.GuiOverlayButton.ItemOverlayState;
+import codechicken.nei.recipe.Recipe.RecipeId;
+
+public class RecipeHandlerRef {
+
+    private static final LRUCache<RecipeId, RecipeHandlerRef> recipeRefCache = new LRUCache<>(200);
+    public final IRecipeHandler handler;
+    public final int recipeIndex;
+
+    private RecipeHandlerRef(IRecipeHandler handler, int recipeIndex) {
+        this.handler = handler;
+        this.recipeIndex = recipeIndex;
+    }
+
+    public static RecipeHandlerRef of(IRecipeHandler handler, int recipeIndex) {
+        return new RecipeHandlerRef(handler, recipeIndex);
+    }
+
+    public static RecipeHandlerRef of(RecipeId recipeId) {
+
+        if (recipeId.getResult() != null && !recipeId.getIngredients().isEmpty()) {
+            return recipeRefCache.computeIfAbsent(recipeId, ri -> {
+                final List<ICraftingHandler> handlers = GuiCraftingRecipe
+                        .getCraftingHandlers("recipeId", recipeId.getResult(), recipeId);
+
+                for (ICraftingHandler handler : handlers) {
+                    int refIndex = SearchRecipeHandler.findFirst(
+                            handler,
+                            recipeIndex -> recipeId.equalsIngredients(handler.getIngredientStacks(recipeIndex)));
+
+                    if (refIndex >= 0) {
+                        return new RecipeHandlerRef(handler, refIndex);
+                    }
+                }
+
+                return null;
+            });
+        }
+
+        return null;
+    }
+
+    private GuiContainer prepareGui(GuiContainer firstGui) {
+
+        if (firstGui instanceof GuiRecipe gui) {
+            firstGui = gui.firstGui;
+        }
+
+        return firstGui != null && firstGui.inventorySlots != null ? firstGui : null;
+    }
+
+    public IOverlayHandler getOverlayHandler(GuiContainer gui) {
+        final GuiContainer firstGui = prepareGui(gui);
+
+        if (firstGui != null && this.handler.hasOverlay(firstGui, firstGui.inventorySlots, this.recipeIndex)) {
+            return this.handler.getOverlayHandler(firstGui, this.recipeIndex);
+        }
+
+        return null;
+    }
+
+    public boolean canFillCraftingGrid(GuiContainer gui) {
+        final IOverlayHandler overlayHandler = getOverlayHandler(gui);
+
+        if (overlayHandler != null) {
+            return overlayHandler.canFillCraftingGrid(prepareGui(gui), this.handler, this.recipeIndex);
+        }
+
+        return false;
+    }
+
+    public boolean canCraft(GuiContainer gui) {
+        final IOverlayHandler overlayHandler = getOverlayHandler(gui);
+
+        if (overlayHandler != null && allowedTransferAlghoritm(gui)) {
+            return overlayHandler.canCraft(prepareGui(gui), this.handler, this.recipeIndex);
+        }
+
+        return false;
+    }
+
+    public List<ItemOverlayState> getPresenceOverlay(GuiContainer gui) {
+        final IOverlayHandler overlayHandler = getOverlayHandler(gui);
+
+        if (overlayHandler != null) {
+            return overlayHandler.presenceOverlay(prepareGui(gui), this.handler, this.recipeIndex);
+        }
+
+        return Collections.emptyList();
+    }
+
+    public void fillCraftingGrid(GuiContainer gui, int multiplier) {
+        final IOverlayHandler overlayHandler = getOverlayHandler(gui);
+
+        if (overlayHandler != null) {
+            final GuiContainer firstGui = prepareGui(gui);
+
+            if (!firstGui.equals(firstGui.mc.currentScreen)) {
+                firstGui.mc.displayGuiScreen(firstGui);
+            }
+
+            if (!allowedTransferAlghoritm(gui)) {
+                overlayHandler.overlayRecipe(firstGui, this.handler, this.recipeIndex, multiplier != 1);
+            } else {
+                overlayHandler.transferRecipe(firstGui, this.handler, this.recipeIndex, multiplier);
+            }
+
+        }
+
+    }
+
+    public boolean craft(GuiContainer gui, int multiplier) {
+        final GuiContainer firstGui = prepareGui(gui);
+        final IOverlayHandler overlayHandler = getOverlayHandler(firstGui);
+
+        if (overlayHandler != null && overlayHandler.canCraft(firstGui, this.handler, this.recipeIndex)) {
+
+            if (!firstGui.equals(firstGui.mc.currentScreen)) {
+                firstGui.mc.displayGuiScreen(firstGui);
+            }
+
+            return overlayHandler.craft(firstGui, this.handler, this.recipeIndex, multiplier);
+        }
+
+        return false;
+    }
+
+    public boolean allowedTransferAlghoritm(GuiContainer gui) {
+        final IOverlayHandler overlayHandler = getOverlayHandler(gui);
+
+        if (overlayHandler != null) {
+            try {
+                return !overlayHandler.getClass()
+                        .getDeclaredMethod(
+                                "transferRecipe",
+                                GuiContainer.class,
+                                IRecipeHandler.class,
+                                int.class,
+                                int.class)
+                        .isDefault();
+            } catch (NoSuchMethodException e) {}
+        }
+
+        return false;
+    }
+
+    public IRecipeOverlayRenderer getRecipeOverlayRenderer(GuiContainer gui) {
+        final GuiContainer firstGui = prepareGui(gui);
+
+        if (firstGui != null && this.handler.hasOverlay(firstGui, firstGui.inventorySlots, this.recipeIndex)) {
+            return this.handler.getOverlayRenderer(firstGui, this.recipeIndex);
+        }
+
+        return null;
+    }
+
+    public boolean canUseOverlayRenderer(GuiContainer gui) {
+        return getRecipeOverlayRenderer(gui) != null;
+    }
+
+    public void useOverlayRenderer(GuiContainer gui) {
+        final IRecipeOverlayRenderer renderer = getRecipeOverlayRenderer(gui);
+
+        if (renderer != null) {
+            final GuiContainer firstGui = prepareGui(gui);
+
+            if (!firstGui.equals(firstGui.mc.currentScreen)) {
+                firstGui.mc.displayGuiScreen(firstGui);
+            }
+
+            LayoutManager.overlayRenderer = renderer;
+        }
+    }
+}

src/main/java/codechicken/nei/recipe/RecipeItemInputHandler.java

@@ -1,17 +1,28 @@
 package codechicken.nei.recipe;
 
+import java.util.List;
 import java.util.Map;
 
 import net.minecraft.client.gui.inventory.GuiContainer;
+import net.minecraft.item.ItemStack;
 
+import codechicken.lib.gui.GuiDraw;
+import codechicken.lib.vec.Rectangle4i;
+import codechicken.nei.BookmarkPanel.BookmarkViewMode;
+import codechicken.nei.FavoriteRecipes;
 import codechicken.nei.ItemPanels;
+import codechicken.nei.NEIClientConfig;
 import codechicken.nei.api.ShortcutInputHandler;
+import codechicken.nei.bookmark.BookmarksGridSlot;
 import codechicken.nei.guihook.GuiContainerManager;
 import codechicken.nei.guihook.IContainerInputHandler;
 import codechicken.nei.guihook.IContainerTooltipHandler;
+import codechicken.nei.recipe.Recipe.RecipeId;
 
 public class RecipeItemInputHandler implements IContainerInputHandler, IContainerTooltipHandler {
 
+    protected RecipeTooltipLineHandler recipeTooltipLineHandler = null;
+
     public static void load() {
         RecipeItemInputHandler recipeHandler = new RecipeItemInputHandler();
         GuiContainerManager.addInputHandler(recipeHandler);
@@ -26,7 +37,8 @@ public class RecipeItemInputHandler implements IContainerInputHandler, IContaine
     @Override
     public boolean mouseClicked(GuiContainer gui, int mousex, int mousey, int button) {
         if (!(gui instanceof GuiRecipe) || ItemPanels.itemPanel.contains(mousex, mousey)
-                || ItemPanels.bookmarkPanel.contains(mousex, mousey))
+                || ItemPanels.bookmarkPanel.contains(mousex, mousey)
+                || ItemPanels.itemPanel.historyPanel.contains(mousex, mousey))
             return false;
 
         return ShortcutInputHandler.handleMouseClick(GuiContainerManager.getStackMouseOver(gui));
@@ -46,6 +58,63 @@ public class RecipeItemInputHandler implements IContainerInputHandler, IContaine
         return hotkeys;
     }
 
+    @Override
+    public List<String> handleItemTooltip(GuiContainer gui, ItemStack itemstack, int mousex, int mousey,
+            List<String> currenttip) {
+
+        if (itemstack != null) {
+            final RecipeId recipeId = getHoveredRecipeId(gui, itemstack, mousex, mousey);
+
+            if (recipeId == null) {
+                recipeTooltipLineHandler = null;
+            } else if (recipeTooltipLineHandler == null || !recipeTooltipLineHandler.getRecipeId().equals(recipeId)) {
+                recipeTooltipLineHandler = new RecipeTooltipLineHandler(recipeId);
+            }
+
+            if (recipeTooltipLineHandler != null) {
+                currenttip.add(GuiDraw.TOOLTIP_HANDLER + GuiDraw.getTipLineId(recipeTooltipLineHandler));
+            }
+        } else {
+            recipeTooltipLineHandler = null;
+        }
+
+        return currenttip;
+    }
+
+    private RecipeId getHoveredRecipeId(GuiContainer gui, ItemStack itemstack, int mousex, int mousey) {
+
+        if (ItemPanels.bookmarkPanel.contains(mousex, mousey)) {
+            final BookmarksGridSlot slot = ItemPanels.bookmarkPanel.getSlotMouseOver(mousex, mousey);
+
+            if (slot != null && slot.getRecipeId() != null
+                    && !slot.isIngredient()
+                    && NEIClientConfig.getRecipeTooltipsMode() != 0) {
+                final int tooltipMode = NEIClientConfig.getRecipeTooltipsMode();
+                final BookmarkViewMode viewMode = slot.getGroup().viewMode;
+                if (tooltipMode == 3 || viewMode == BookmarkViewMode.DEFAULT && tooltipMode == 1
+                        || viewMode == BookmarkViewMode.TODO_LIST && tooltipMode == 2) {
+                    return slot.getRecipeId();
+                }
+            }
+
+            return null;
+        }
+
+        if (ItemPanels.itemPanel.contains(mousex, mousey)
+                || ItemPanels.itemPanel.historyPanel.contains(mousex, mousey)) {
+            return NEIClientConfig.showRecipeTooltipInPanel() ? FavoriteRecipes.getFavorite(itemstack) : null;
+        }
+
+        if (gui instanceof GuiRecipe<?>guiRecipe
+                && new Rectangle4i(gui.guiLeft, gui.guiTop, gui.xSize, gui.ySize).contains(mousex, mousey)
+                && NEIClientConfig.showRecipeTooltipInGui()
+                && guiRecipe.getFocusedRecipe() == null) {
+            return FavoriteRecipes.getFavorite(itemstack);
+        }
+
+        return null;
+    }
+
     @Override
     public void onKeyTyped(GuiContainer gui, char keyChar, int keyID) {}
 

src/main/java/codechicken/nei/recipe/RecipeTooltipLineHandler.java

@@ -0,0 +1,96 @@
+package codechicken.nei.recipe;
+
+import java.awt.Dimension;
+import java.util.List;
+
+import net.minecraft.client.renderer.RenderHelper;
+import net.minecraft.inventory.Slot;
+import net.minecraft.item.ItemStack;
+
+import org.lwjgl.opengl.GL11;
+import org.lwjgl.opengl.GL12;
+
+import codechicken.lib.gui.GuiDraw.ITooltipLineHandler;
+import codechicken.nei.guihook.GuiContainerManager;
+import codechicken.nei.recipe.Recipe.RecipeId;
+
+public class RecipeTooltipLineHandler implements ITooltipLineHandler {
+
+    protected long lastUpdate = System.currentTimeMillis();
+    protected GuiRecipe<?> gui = null;
+    protected RecipeId recipeId = null;
+    protected boolean createdGui = false;
+
+    public RecipeTooltipLineHandler(RecipeId recipeId) {
+        this.recipeId = recipeId;
+    }
+
+    public ItemStack getItemStack() {
+        return this.recipeId.getResult();
+    }
+
+    public RecipeId getRecipeId() {
+        return this.recipeId;
+    }
+
+    @Override
+    public Dimension getSize() {
+
+        if (this.gui == null && !this.createdGui) {
+            this.gui = GuiCraftingRecipe.createRecipeGui("recipeId", false, this.recipeId.getResult(), this.recipeId);
+            this.createdGui = true;
+
+            if (this.gui != null) {
+                this.gui.initGui();
+                this.gui.guiTop = 0;
+                this.gui.guiLeft = 0;
+            }
+        }
+
+        if (this.gui != null) {
+            return this.gui.getWidgetSize();
+        }
+
+        return new Dimension(0, 0);
+    }
+
+    @Override
+    public void draw(int x, int y) {
+        if (this.gui == null) return;
+
+        if ((System.currentTimeMillis() - lastUpdate) > 50) {
+            lastUpdate = System.currentTimeMillis();
+            this.gui.onUpdate();
+        }
+
+        GL11.glPushMatrix();
+        GL11.glScaled(1, 1, 3);
+        GL11.glTranslatef(x, y, 0);
+        GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS);
+        RenderHelper.disableStandardItemLighting();
+
+        this.gui.drawGuiContainerBackgroundLayer(0.0f, -100, -100);
+
+        GL11.glPopAttrib();
+
+        if (this.gui.slotcontainer != null) {
+            GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS);
+            RenderHelper.enableGUIStandardItemLighting();
+            GL11.glEnable(GL12.GL_RESCALE_NORMAL);
+            GL11.glDisable(GL11.GL_DEPTH_TEST);
+            List<Slot> slots = this.gui.slotcontainer.inventorySlots;
+
+            for (Slot slot : slots) {
+                if (slot != null && slot.getStack() != null) {
+                    GuiContainerManager.drawItem(slot.xDisplayPosition, slot.yDisplayPosition, slot.getStack());
+                }
+            }
+
+            GL11.glPopAttrib();
+        }
+
+        this.gui.drawGuiContainerForegroundLayer(-100, -100);
+
+        GL11.glPopMatrix();
+    }
+}

src/main/java/codechicken/nei/recipe/StackInfo.java

@@ -90,7 +90,7 @@ public class StackInfo {
             return false;
         }
 
-        if (useNBT) {
+        if (useNBT && stackA != stackB) {
             NBTTagCompound tagCompoundA = itemStackToNBT(stackA, false);
             NBTTagCompound tagCompoundB = itemStackToNBT(stackB, false);
 

src/main/java/codechicken/nei/recipe/TemplateRecipeHandler.java

@@ -31,6 +31,7 @@ import com.google.common.base.Stopwatch;
 
 import codechicken.lib.gui.GuiDraw;
 import codechicken.lib.vec.Rectangle4i;
+import codechicken.nei.FavoriteRecipes;
 import codechicken.nei.ItemList;
 import codechicken.nei.NEIClientConfig;
 import codechicken.nei.NEIClientUtils;
@@ -193,7 +194,7 @@ public abstract class TemplateRecipeHandler implements ICraftingHandler, IUsageH
 
             for (PositionedStack pStack : stacks) {
                 if (pStack.items.length <= 1) continue;
-                final List<ItemStack> items = pStack.getFilteredPermutations();
+                final List<ItemStack> items = pStack.getFilteredPermutations(FavoriteRecipes::contains);
                 pStack.setPermutationToRender(items.get((int) (cycle % items.size())));
             }
         }
@@ -204,7 +205,7 @@ public abstract class TemplateRecipeHandler implements ICraftingHandler, IUsageH
                     : Math.abs(new Random(cycle + offset).nextInt());
 
             if (stack.items.length <= 1) return;
-            final List<ItemStack> items = stack.getFilteredPermutations();
+            final List<ItemStack> items = stack.getFilteredPermutations(FavoriteRecipes::contains);
             stack.setPermutationToRender(items.get((int) (cycle % items.size())));
         }
 
@@ -706,15 +707,7 @@ public abstract class TemplateRecipeHandler implements ICraftingHandler, IUsageH
 
         if (overStack != null && overStack.items.length > 1) {
             final List<ItemStack> items = overStack.getFilteredPermutations();
-            int stackIndex = 0;
-
-            for (int index = 0; index < items.size(); index++) {
-                if (NEIServerUtils.areStacksSameTypeCraftingWithNBT(items.get(index), overStack.item)) {
-                    stackIndex = index;
-                    break;
-                }
-            }
-
+            final int stackIndex = getPermutationIndex(overStack.item, items);
             final ItemStack stack = items.get((items.size() - scroll + stackIndex) % items.size());
 
             if (NEIClientConfig.useJEIStyledCycledIngredients()) {
@@ -733,6 +726,17 @@ public abstract class TemplateRecipeHandler implements ICraftingHandler, IUsageH
         return false;
     }
 
+    private int getPermutationIndex(ItemStack stack, List<ItemStack> items) {
+
+        for (int index = 0; index < items.size(); index++) {
+            if (NEIServerUtils.areStacksSameTypeCraftingWithNBT(items.get(index), stack)) {
+                return index;
+            }
+        }
+
+        return -1;
+    }
+
     private PositionedStack getIngredientMouseOver(int mousex, int mousey, int recipe) {
 
         for (PositionedStack pStack : getIngredientStacks(recipe)) {

src/main/java/codechicken/nei/recipe/chain/RecipeChainIterator.java

@@ -0,0 +1,103 @@
+package codechicken.nei.recipe.chain;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import net.minecraft.item.ItemStack;
+
+import codechicken.nei.ItemStackAmount;
+import codechicken.nei.bookmark.BookmarkItem;
+import codechicken.nei.recipe.Recipe.RecipeId;
+import codechicken.nei.recipe.StackInfo;
+
+public class RecipeChainIterator implements Iterator<Map<RecipeId, Long>> {
+
+    public final ItemStackAmount inventory = new ItemStackAmount();
+    private final Set<RecipeId> precessedRecipes = new HashSet<>();
+    private RecipeChainMath math;
+    private Set<RecipeId> topRecipes;
+    private Set<RecipeId> processedRecipes;
+    private List<BookmarkItem> initialItems;
+
+    public RecipeChainIterator(RecipeChainMath math, List<BookmarkItem> initialItems) {
+        this.math = math;
+        this.topRecipes = this.math.outputRecipes.keySet();
+        this.initialItems = new ArrayList<>(initialItems);
+        this.processedRecipes = new HashSet<>(this.topRecipes);
+    }
+
+    public void updateInventory(ItemStack[] mainInventory) {
+        updateInventory(ItemStackAmount.of(Arrays.asList(mainInventory)));
+    }
+
+    public void updateInventory(ItemStackAmount mainInventory) {
+        this.inventory.clear();
+        this.inventory.putAll(mainInventory);
+    }
+
+    @Override
+    public Map<RecipeId, Long> next() {
+        refreshInitialItems(this.math, this.initialItems);
+        this.math.refresh();
+
+        final Set<RecipeId> skipRecipes = new HashSet<>();
+        final Map<RecipeId, Long> rootRecipes = new HashMap<>();
+        final HashMap<BookmarkItem, BookmarkItem> preferredItems = new HashMap<>(this.math.preferredItems);
+        preferredItems.values()
+                .removeIf(item -> item == null || item.amount == 0 || this.precessedRecipes.contains(item.recipeId));
+        preferredItems.keySet().removeIf(item -> item.amount == 0);
+
+        for (Map.Entry<BookmarkItem, BookmarkItem> entry : preferredItems.entrySet()) {
+            final BookmarkItem keyItem = entry.getKey();
+            if (this.topRecipes.contains(keyItem.recipeId) && !skipRecipes.contains(keyItem.recipeId)) {
+                final BookmarkItem item = entry.getValue();
+
+                if (preferredItems.entrySet().stream().anyMatch(
+                        pref -> !this.processedRecipes.contains(pref.getKey().recipeId)
+                                && item.equals(pref.getValue()))) {
+                    skipRecipes.add(item.recipeId);
+                } else {
+                    rootRecipes.put(
+                            item.recipeId,
+                            Math.max(rootRecipes.getOrDefault(item.recipeId, 0L), item.getMultiplier()));
+                }
+            }
+        }
+
+        for (RecipeId recipeId : skipRecipes) {
+            rootRecipes.remove(recipeId);
+        }
+
+        this.processedRecipes.addAll(rootRecipes.keySet());
+        rootRecipes.values().removeIf(amount -> amount == 0);
+        this.topRecipes = rootRecipes.keySet();
+        this.precessedRecipes.addAll(this.topRecipes);
+
+        return rootRecipes;
+    }
+
+    @Override
+    public boolean hasNext() {
+        return !this.topRecipes.isEmpty();
+    }
+
+    private void refreshInitialItems(RecipeChainMath math, List<BookmarkItem> initialItems) {
+        math.initialItems.clear();
+        math.initialItems.addAll(initialItems);
+
+        for (ItemStack stack : this.inventory.values()) {
+            final long invStackSize = this.inventory.getOrDefault(stack, 0L);
+
+            if (invStackSize > 0) {
+                math.initialItems.add(BookmarkItem.of(-1, StackInfo.withAmount(stack, invStackSize)));
+            }
+        }
+    }
+
+}

src/main/java/codechicken/nei/recipe/chain/RecipeChainMath.java

@@ -0,0 +1,296 @@
+package codechicken.nei.recipe.chain;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import net.minecraft.item.ItemStack;
+
+import codechicken.nei.ItemStackAmount;
+import codechicken.nei.bookmark.BookmarkItem;
+import codechicken.nei.recipe.Recipe;
+import codechicken.nei.recipe.Recipe.RecipeId;
+import codechicken.nei.recipe.Recipe.RecipeIngredient;
+import codechicken.nei.recipe.StackInfo;
+
+public class RecipeChainMath {
+
+    public final Map<RecipeId, Long> outputRecipes = new HashMap<>();
+
+    public final List<BookmarkItem> initialItems = new ArrayList<>();
+    public final List<BookmarkItem> recipeIngredients = new ArrayList<>();
+    public final List<BookmarkItem> recipeResults = new ArrayList<>();
+
+    public final Map<BookmarkItem, BookmarkItem> preferredItems = new HashMap<>();
+    public final Map<BookmarkItem, Long> requiredAmount = new HashMap<>();
+
+    private RecipeChainMath(List<BookmarkItem> recipeItems, Set<RecipeId> collapsedRecipes) {
+        final Map<RecipeId, Integer> recipeState = new HashMap<>();
+        final Map<RecipeId, Long> multipliers = new HashMap<>();
+
+        for (BookmarkItem item : recipeItems) {
+            if (item.recipeId != null) {
+                recipeState
+                        .put(item.recipeId, recipeState.getOrDefault(item.recipeId, 0) | (item.isIngredient ? 1 : 2));
+            }
+        }
+
+        for (BookmarkItem item : recipeItems) {
+            if (recipeState.getOrDefault(item.recipeId, 0) != 3) {
+                this.initialItems.add(item.copy());
+            } else if (item.isIngredient) {
+                this.recipeIngredients.add(item.copyWithAmount(0));
+            } else {
+                this.recipeResults.add(item.copyWithAmount(0));
+                multipliers.put(
+                        item.recipeId,
+                        Math.max(multipliers.getOrDefault(item.recipeId, 0L), item.getMultiplier()));
+            }
+        }
+
+        for (Map.Entry<RecipeId, Long> entry : multipliers.entrySet()) {
+            if (entry.getValue() > 1 || collapsedRecipes.contains(entry.getKey())) {
+                collectPreferredItems(entry.getKey(), this.preferredItems, new HashSet<>());
+                this.outputRecipes.put(entry.getKey(), entry.getValue());
+            }
+        }
+
+        while (true) {
+            Map<BookmarkItem, BookmarkItem> maxReference = Collections.emptyMap();
+            RecipeId maxRecipeId = null;
+            long maxMultiplier = 0;
+            int maxDepth = 0;
+
+            for (Map.Entry<RecipeId, Long> entry : multipliers.entrySet()) {
+                final RecipeId recipeId = entry.getKey();
+                if (!this.outputRecipes.containsKey(recipeId) && this.preferredItems.values().stream()
+                        .noneMatch(resItem -> resItem.recipeId.equals(recipeId))) {
+                    final Map<BookmarkItem, BookmarkItem> references = new HashMap<>(this.preferredItems);
+                    final int depth = collectPreferredItems(recipeId, references, new HashSet<>());
+
+                    if (maxDepth < depth || maxDepth == depth && entry.getValue() > maxMultiplier) {
+                        maxMultiplier = entry.getValue();
+                        maxReference = references;
+                        maxRecipeId = recipeId;
+                        maxDepth = depth;
+                    }
+                }
+            }
+
+            if (maxReference.isEmpty()) {
+                break;
+            }
+
+            this.preferredItems.putAll(maxReference);
+            this.outputRecipes.put(maxRecipeId, multipliers.get(maxRecipeId));
+        }
+
+        for (Map.Entry<RecipeId, Long> entry : multipliers.entrySet()) {
+            if (!this.outputRecipes.containsKey(entry.getKey()) && this.preferredItems.values().stream()
+                    .noneMatch(resItem -> resItem.recipeId.equals(entry.getKey()))) {
+                this.outputRecipes.put(entry.getKey(), entry.getValue());
+            }
+        }
+
+        for (Map.Entry<RecipeId, Long> entry : this.outputRecipes.entrySet()) {
+            if (entry.getValue() == 0 && this.preferredItems.values().stream()
+                    .noneMatch(prefItem -> prefItem.recipeId.equals(entry.getKey()))) {
+                entry.setValue(1L);
+            }
+        }
+    }
+
+    private int collectPreferredItems(RecipeId recipeId, Map<BookmarkItem, BookmarkItem> preferredItems,
+            Set<RecipeId> visited) {
+        int maxDepth = 0;
+        visited.add(recipeId);
+
+        for (BookmarkItem ingrItem : this.recipeIngredients) {
+            if (ingrItem.factor > 0 && recipeId.equals(ingrItem.recipeId) && !preferredItems.containsKey(ingrItem)) {
+                BookmarkItem prefItem = null;
+
+                for (BookmarkItem item : this.recipeResults) {
+                    if (item.factor > (prefItem == null ? 0 : prefItem.factor) && item.containsItems(ingrItem)
+                            && !visited.contains(item.recipeId)) {
+                        prefItem = item;
+                    }
+                }
+
+                if (prefItem != null) {
+                    preferredItems.put(ingrItem, prefItem);
+                    maxDepth = Math
+                            .max(maxDepth, collectPreferredItems(prefItem.recipeId, preferredItems, visited) + 1);
+                }
+            }
+        }
+
+        visited.remove(recipeId);
+        return maxDepth;
+    }
+
+    public static RecipeChainMath of(List<BookmarkItem> chainItems, Set<RecipeId> collapsedRecipes) {
+        return new RecipeChainMath(chainItems, collapsedRecipes);
+    }
+
+    public static RecipeChainMath of(Recipe recipe, long multiplier) {
+        final List<BookmarkItem> chainItems = new ArrayList<>();
+        final RecipeId recipeId = recipe.getRecipeId();
+        final ItemStack result = recipe.getResult();
+
+        chainItems.add(BookmarkItem.of(-1, result, StackInfo.getAmount(result), recipeId, false));
+
+        for (RecipeIngredient ingr : recipe.getIngredients()) {
+            chainItems.add(
+                    BookmarkItem.of(
+                            -1,
+                            ingr.getItemStack(),
+                            ingr.getAmount(),
+                            recipeId,
+                            true,
+                            BookmarkItem.generatePermutations(ingr.getItemStack(), recipe)));
+        }
+
+        for (BookmarkItem item : chainItems) {
+            item.amount *= multiplier;
+        }
+
+        return new RecipeChainMath(chainItems, Collections.emptySet());
+    }
+
+    public ItemStackAmount getMissedItems() {
+        final ItemStackAmount missedItems = new ItemStackAmount();
+
+        for (BookmarkItem item : this.recipeResults) {
+            long amount = item.amount - this.requiredAmount.getOrDefault(item, 0L);
+            if (amount > 0) {
+                missedItems.add(item.getItemStack(amount));
+            }
+        }
+
+        for (BookmarkItem item : this.recipeIngredients) {
+            long amount = this.requiredAmount.containsKey(this.preferredItems.get(item)) ? 0
+                    : this.requiredAmount.getOrDefault(item, item.amount);
+            if (amount > 0) {
+                missedItems.add(item.getItemStack(amount));
+            }
+        }
+
+        for (BookmarkItem item : this.initialItems) {
+            if (this.requiredAmount.getOrDefault(item, -1L) == 0) {
+                missedItems.add(item.getItemStack());
+            }
+        }
+
+        return missedItems;
+    }
+
+    private void resetCalculation() {
+
+        for (BookmarkItem item : this.recipeIngredients) {
+            item.amount = 0;
+        }
+
+        for (BookmarkItem item : this.recipeResults) {
+            item.amount = 0;
+        }
+
+        this.preferredItems.clear();
+        this.requiredAmount.clear();
+
+        for (RecipeId recipeId : this.outputRecipes.keySet()) {
+            collectPreferredItems(recipeId, this.preferredItems, new HashSet<>());
+        }
+
+    }
+
+    public RecipeChainMath refresh() {
+        resetCalculation();
+
+        for (BookmarkItem prefItem : this.recipeResults) {
+            if (prefItem.factor > 0 && this.outputRecipes.containsKey(prefItem.recipeId)) {
+                final long prefAmount = prefItem.factor * this.outputRecipes.get(prefItem.recipeId);
+
+                this.preferredItems.put(prefItem, prefItem);
+                calculateSuitableRecipe(prefItem, prepareAmount(prefItem, prefAmount), new ArrayList<>());
+                this.preferredItems.remove(prefItem);
+            }
+        }
+
+        for (BookmarkItem prefItem : this.recipeResults) {
+            if (prefItem.factor > 0 && this.outputRecipes.containsKey(prefItem.recipeId)
+                    && this.requiredAmount.containsKey(prefItem)) {
+                final long prefAmount = prefItem.factor * this.outputRecipes.get(prefItem.recipeId);
+                this.requiredAmount.put(prefItem, this.requiredAmount.get(prefItem) - prefAmount);
+            }
+        }
+
+        return this;
+    }
+
+    private void prepareIngredients(RecipeId recipeId, long stepShift, List<RecipeId> visited) {
+        for (BookmarkItem item : this.recipeIngredients) {
+            if (item.factor > 0 && recipeId.equals(item.recipeId)) {
+                calculateSuitableRecipe(item, prepareAmount(item, item.factor * stepShift), visited);
+            }
+        }
+    }
+
+    private void calculateSuitableRecipe(BookmarkItem ingrItem, long ingrAmount, List<RecipeId> visited) {
+        final BookmarkItem prefItem = this.preferredItems.get(ingrItem);
+
+        if (prefItem == null) {
+            this.requiredAmount.put(ingrItem, this.requiredAmount.getOrDefault(ingrItem, 0L) + ingrAmount);
+        } else if (visited.contains(prefItem.recipeId)) {
+            this.requiredAmount.put(prefItem, this.requiredAmount.getOrDefault(prefItem, 0L) + ingrAmount);
+        } else {
+            this.requiredAmount.put(prefItem, this.requiredAmount.getOrDefault(prefItem, 0L) + ingrAmount);
+            final long shift = (long) Math
+                    .ceil((this.requiredAmount.get(prefItem) - prefItem.amount) / (double) prefItem.factor);
+
+            if (shift > 0) {
+                addShift(prefItem.recipeId, shift);
+
+                visited.add(prefItem.recipeId);
+                prepareIngredients(prefItem.recipeId, shift, visited);
+                visited.remove(prefItem.recipeId);
+            }
+        }
+
+    }
+
+    private long prepareAmount(BookmarkItem ingrItem, long ingrAmount) {
+        if (ingrAmount == 0) return 0;
+
+        for (BookmarkItem item : this.initialItems) {
+            if (item.containsItems(ingrItem)) {
+                long initAmount = Math.min(ingrAmount, item.amount - this.requiredAmount.getOrDefault(item, 0L));
+                if (initAmount > 0) {
+                    this.requiredAmount.put(item, this.requiredAmount.getOrDefault(item, 0L) + initAmount);
+                    ingrAmount -= initAmount;
+                    if (ingrAmount == 0) break;
+                }
+            }
+        }
+
+        return ingrAmount;
+    }
+
+    private void addShift(RecipeId recipeId, long shift) {
+        for (BookmarkItem item : this.recipeIngredients) {
+            if (recipeId.equals(item.recipeId)) {
+                item.amount += item.factor * shift;
+            }
+        }
+
+        for (BookmarkItem item : this.recipeResults) {
+            if (recipeId.equals(item.recipeId)) {
+                item.amount += item.factor * shift;
+            }
+        }
+    }
+
+}

src/main/java/codechicken/nei/recipe/chain/RecipeChainTooltipLineHandler.java

@@ -0,0 +1,253 @@
+package codechicken.nei.recipe.chain;
+
+import java.awt.Dimension;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.List;
+
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.EnumChatFormatting;
+
+import codechicken.lib.gui.GuiDraw;
+import codechicken.lib.gui.GuiDraw.ITooltipLineHandler;
+import codechicken.nei.ItemSorter;
+import codechicken.nei.ItemStackAmount;
+import codechicken.nei.ItemsTooltipLineHandler;
+import codechicken.nei.NEIClientConfig;
+import codechicken.nei.NEIClientUtils;
+import codechicken.nei.bookmark.BookmarkItem;
+import codechicken.nei.recipe.StackInfo;
+
+public class RecipeChainTooltipLineHandler implements ITooltipLineHandler {
+
+    public final int groupId;
+    public final boolean crafting;
+    protected final RecipeChainMath math;
+    protected final List<BookmarkItem> initialItems;
+
+    protected ItemsTooltipLineHandler available;
+    protected ItemsTooltipLineHandler inputs;
+    protected ItemsTooltipLineHandler outputs;
+    protected ItemsTooltipLineHandler remainder;
+    protected boolean lastShiftKey = false;
+
+    protected Dimension size = new Dimension();
+
+    public RecipeChainTooltipLineHandler(int groupId, boolean crafting, RecipeChainMath math) {
+        this.groupId = groupId;
+        this.crafting = crafting;
+        this.math = math;
+        this.initialItems = new ArrayList<>(this.math.initialItems);
+    }
+
+    private void onUpdate() {
+        final List<ItemStack> available = new ArrayList<>();
+        final List<ItemStack> inputs = new ArrayList<>();
+        final List<ItemStack> outputs = new ArrayList<>();
+        final List<ItemStack> remainder = new ArrayList<>();
+        final ItemStackAmount inventory = new ItemStackAmount();
+
+        if (lastShiftKey) {
+            inventory.addAll(Arrays.asList(NEIClientUtils.mc().thePlayer.inventory.mainInventory));
+        }
+
+        if (!this.math.outputRecipes.isEmpty()) {
+            this.math.initialItems.clear();
+
+            if (lastShiftKey) {
+                for (ItemStack stack : inventory.values()) {
+                    final long invStackSize = inventory.get(stack);
+
+                    if (invStackSize > 0) {
+                        this.math.initialItems.add(BookmarkItem.of(-1, stack.copy()));
+                    }
+                }
+            } else {
+                this.math.initialItems.addAll(initialItems);
+            }
+
+            this.math.refresh();
+
+            for (BookmarkItem item : math.initialItems) {
+                final long amount = math.requiredAmount.getOrDefault(item, 0L);
+
+                if (amount > 0) {
+                    if (lastShiftKey) {
+                        available.add(item.getItemStack(amount));
+                    } else {
+                        inputs.add(item.getItemStack(amount));
+                    }
+                }
+
+            }
+
+            for (BookmarkItem item : math.recipeIngredients) {
+                final long amount = math.requiredAmount.containsKey(math.preferredItems.get(item)) ? 0
+                        : math.requiredAmount.getOrDefault(item, item.amount);
+
+                if (amount > 0) {
+                    inputs.add(item.getItemStack(amount));
+                }
+            }
+
+            for (BookmarkItem item : math.recipeResults) {
+                final long amount = item.amount - math.requiredAmount.getOrDefault(item, 0L);
+
+                if (amount > 0) {
+                    if (math.outputRecipes.containsKey(item.recipeId)) {
+                        outputs.add(item.getItemStack(amount));
+                    } else if (lastShiftKey) {
+                        remainder.add(item.getItemStack(amount));
+                    }
+                }
+            }
+
+        } else if (lastShiftKey) {
+
+            for (BookmarkItem item : this.math.initialItems) {
+                if (inventory.contains(item.itemStack)) {
+                    final long invAmount = inventory.get(item.itemStack) * item.fluidCellAmount;
+
+                    if ((item.amount - invAmount) > 0) {
+                        inputs.add(item.getItemStack(item.amount - invAmount));
+                    }
+
+                    if (Math.min(item.amount, invAmount) > 0) {
+                        available.add(item.getItemStack(Math.min(item.amount, invAmount)));
+                    }
+
+                } else {
+                    inputs.add(item.getItemStack());
+                }
+            }
+
+        }
+
+        inputs.sort(
+                Comparator.comparing((ItemStack stack) -> StackInfo.getFluid(stack) != null)
+                        .thenComparing(ItemSorter.instance));
+        outputs.sort(
+                Comparator.comparing((ItemStack stack) -> StackInfo.getFluid(stack) != null)
+                        .thenComparing(ItemSorter.instance));
+        remainder.sort(
+                Comparator.comparing((ItemStack stack) -> StackInfo.getFluid(stack) != null)
+                        .thenComparing(ItemSorter.instance));
+
+        this.inputs = new ItemsTooltipLineHandler(
+                lastShiftKey ? NEIClientUtils.translate("bookmark.crafting_chain.missing")
+                        : NEIClientUtils.translate("bookmark.crafting_chain.input"),
+                inputs,
+                true,
+                Integer.MAX_VALUE);
+
+        this.available = new ItemsTooltipLineHandler(
+                NEIClientUtils.translate("bookmark.crafting_chain.available"),
+                available,
+                true,
+                Integer.MAX_VALUE);
+
+        this.outputs = new ItemsTooltipLineHandler(
+                NEIClientUtils.translate("bookmark.crafting_chain.output"),
+                outputs,
+                true,
+                Integer.MAX_VALUE);
+
+        this.remainder = new ItemsTooltipLineHandler(
+                NEIClientUtils.translate("bookmark.crafting_chain.remainder"),
+                remainder,
+                true,
+                Integer.MAX_VALUE);
+
+        if (lastShiftKey) {
+            this.inputs.setLabelColor(EnumChatFormatting.RED);
+            this.available.setLabelColor(EnumChatFormatting.GREEN);
+        }
+
+        if (!this.inputs.isEmpty() || !this.outputs.isEmpty()
+                || !this.remainder.isEmpty()
+                || !this.available.isEmpty()) {
+
+            if (!this.math.outputRecipes.isEmpty()) {
+                this.size.height = 2 + GuiDraw.fontRenderer.FONT_HEIGHT;
+            }
+
+            this.size.width = Math.max(
+                    this.inputs.getSize().width,
+                    Math.max(
+                            this.outputs.getSize().width,
+                            Math.max(this.remainder.getSize().width, this.available.getSize().width)));
+
+            this.size.height += this.inputs.getSize().height + this.outputs.getSize().height
+                    + this.remainder.getSize().height
+                    + this.available.getSize().height;
+        } else {
+            this.size.height = this.size.width = 0;
+        }
+
+    }
+
+    @Override
+    public Dimension getSize() {
+        if (this.lastShiftKey != (this.lastShiftKey = NEIClientUtils.shiftKey()) || this.outputs == null) {
+            onUpdate();
+        }
+        return this.size;
+    }
+
+    @Override
+    public void draw(int x, int y) {
+        if (this.size.height == 0) return;
+
+        if (!this.math.outputRecipes.isEmpty()) {
+            GuiDraw.fontRenderer.drawStringWithShadow(
+                    EnumChatFormatting.AQUA + NEIClientUtils.translate("bookmark.crafting_chain"),
+                    x,
+                    y + 2,
+                    0xee555555);
+
+            y += 2 + GuiDraw.fontRenderer.FONT_HEIGHT;
+        }
+
+        if (NEIClientConfig.recipeChainDir() == 0) {
+
+            if (!this.inputs.isEmpty()) {
+                this.inputs.draw(x, y);
+                y += this.inputs.getSize().height;
+            }
+
+            if (!this.available.isEmpty()) {
+                this.available.draw(x, y);
+                y += this.available.getSize().height;
+            }
+
+            if (!this.outputs.isEmpty()) {
+                this.outputs.draw(x, y);
+                y += this.outputs.getSize().height;
+            }
+
+        } else {
+
+            if (!this.outputs.isEmpty()) {
+                this.outputs.draw(x, y);
+                y += this.outputs.getSize().height;
+            }
+
+            if (!this.inputs.isEmpty()) {
+                this.inputs.draw(x, y);
+                y += this.inputs.getSize().height;
+            }
+
+            if (!this.available.isEmpty()) {
+                this.available.draw(x, y);
+                y += this.available.getSize().height;
+            }
+        }
+
+        if (!this.remainder.isEmpty()) {
+            this.remainder.draw(x, y);
+        }
+
+    }
+
+}

src/main/resources/assets/nei/csv/handlers.csv

@@ -12,6 +12,8 @@ appeng.integration.modules.NEIHelpers.NEIFacadeRecipeHandler,Applied Energistics
 appeng.integration.modules.NEIHelpers.NEIGrinderRecipeHandler,Applied Energistics 2,appliedenergistics2:tile.BlockGrinder,,appliedenergistics2,TRUE,,,,,,,,,,,
 appeng.integration.modules.NEIHelpers.NEIInscriberRecipeHandler,Applied Energistics 2,appliedenergistics2:tile.BlockInscriber,,appliedenergistics2,TRUE,,,70,,5,,,,,,
 appeng.integration.modules.NEIHelpers.NEIWorldCraftingHandler,Applied Energistics 2,appliedenergistics2:item.ItemMultiMaterial:9,,appliedenergistics2,TRUE,,,85,,5,,,,,,There's only some explanatory text for fluix crystals and QEDs
+appeng.integration.modules.NEIHelpers.NEICellViewHandler,Applied Energistics 2,appliedenergistics2:item.ItemBasicStorageCell.64k,,appliedenergistics2,TRUE,,,180,,1,,,,,,,
+com.glodblock.github.nei.NEICellViewHandler,AE2 Fluid Crafting,ae2fc:multi_fluid_storage64,,ae2fc,TRUE,,,,,1,,,,,,,
 aroma1997.core.recipes.nei.ShapedAromicRecipeHandler,AromaBackup,minecraft:crafting_table,,AromaBackup,TRUE,,,65,,5,,,,,,
 aroma1997.core.recipes.nei.ShapelessAromicRecipeHandler,AromaBackup,minecraft:crafting_table,,AromaBackup,TRUE,,,,,,,,,,,
 fox.spiteful.avaritia.compat.nei.CompressionHandler,Avaritia,Avaritia:Neutronium_Compressor,,Avaritia,TRUE,,,50,,6,,,,,,

src/main/resources/assets/nei/lang/en_US.lang

@@ -21,29 +21,50 @@ nei.bookmark.pullBookmarkedItems.tip=Pull all bookmarked items from storage to i
 
 nei.bookmark.group=Bookmarks Group
 nei.bookmark.group.include_group=Create/Include Group
-nei.bookmark.group.include_group.key=LMB + Drag
 nei.bookmark.group.exclude_group=Remove/Exclude Group
-nei.bookmark.group.exclude_group.key=RMB + Drag
 nei.bookmark.group.toggle_mode=Toggle Group Mode
-nei.bookmark.group.toggle_mode.key=Left Click
+nei.bookmark.group.toggle_collapse=Toggle Collapse/Expand
 nei.bookmark.group.toggle_crafting_chain=Toggle Crafting Chain
-nei.bookmark.group.toggle_crafting_chain.key=Right Click
+nei.bookmark.group.overlay_use=Fill Crafting Grid
 nei.bookmark.group.sorting=Sorting
-nei.bookmark.group.sorting.key=SHIFT + LMB + Drag
 nei.bookmark.group.remove_recipe=Remove Group
 nei.bookmark.group.pull_items=Pull all Items
-nei.bookmark.group.pull_items_ingredients=Pull all Ingredients
+nei.bookmark.group.pull_items_shift=Pull missing Items
+nei.bookmark.group.craft=Craft Group
+nei.bookmark.group.change_quantity=Change Quantity
+nei.bookmark.group.change_quantity_step=Change Quantity with Multiplier
+nei.bookmark.recipe.toggle_collapse=Toggle Collapse/Expand
 nei.bookmark.crafting_chain=Crafting Chain
 nei.bookmark.crafting_chain.input=Ingredients
+nei.bookmark.crafting_chain.missing=Missing Items
 nei.bookmark.crafting_chain.output=Results
 nei.bookmark.crafting_chain.remainder=Remainders
+nei.bookmark.crafting_chain.available=Available Items
 
 nei.itempanel.quantity.default=One stack
 nei.itempanel.loading=Loading Item List...
 nei.itempanel.deleteItem=Delete Item
 nei.itempanel.collapsed.button.tip=Collapse/Expand All Collapsible Items
-nei.itempanel.collapsed.hint.expand=Alt-Click to expand (%d items)
-nei.itempanel.collapsed.hint.collapse=Alt-Click to collapse (%d items)
+nei.itempanel.collapsed.hint.expand=Expand Group (%d items)
+nei.itempanel.collapsed.hint.collapse=Collapse Group (%d items)
+
+nei.itempanel.remove_recipe=Remove Recipe
+nei.itempanel.remove_item=Remove Item
+nei.itempanel.add_item=Add Bookmark
+nei.itempanel.add_item_with_recipe=Add Bookmark with Recipe
+nei.itempanel.add_item_with_count=Add Bookmark with Count
+nei.itempanel.change_quantity=Change Quantity
+nei.itempanel.change_quantity_step=Change Quantity with Multiplier
+nei.itempanel.overlay_recipe=Overlay Recipe
+nei.itempanel.craft=Craft Recipe
+nei.itempanel.fill_crafting_grid=Fill Crafting Grid
+nei.itempanel.fill_crafting_grid_quantity=Fill Crafting Grid With Quantity
+nei.itempanel.open_crafting=Recipe to make this item
+nei.itempanel.open_usage=Recipes that use this item
+nei.itempanel.sort_item=Sorting
+nei.itempanel.sort_recipe=Sorting
+nei.itempanel.copy_name=Copy Item Name
+nei.itempanel.copy_oredict=Copy Item OreDictionary
 
 nei.enchant=Enchant
 nei.enchant.level=Level
@@ -145,16 +166,13 @@ nei.options.keys.gui.remove_recipe=Remove Group from Bookmarks
 nei.options.keys.gui.bookmark_recipe=Add Bookmark with Recipe
 nei.options.keys.gui.bookmark_count=Add Bookmark with Count
 nei.options.keys.gui.bookmark_pull_items=Pull all Bookmarked Items
-nei.options.keys.gui.bookmark_pull_items_ingredients=Pull all Bookmarked Ingredients
-nei.options.keys.gui.bookmark_recipe_count=Add Bookmark with Recipe & Count
 nei.options.keys.gui.hide_bookmarks=Toggle Bookmark Panel Visibility
-nei.options.keys.gui.overlay=Overlay Recipe
-nei.options.keys.gui.overlay_hide=Hide Overlay Recipe
-nei.options.keys.gui.overlay_use=Use Overlay Recipe
+nei.options.keys.gui.overlay=Fill/Overlay Crafting Grid
 nei.options.keys.gui.getprevioussearch=Previous Search
 nei.options.keys.gui.getnextsearch=Next Search
 nei.options.keys.gui.next_tooltip=Next Tooltip
 nei.options.keys.gui.copy_name=Copy Item Name
+nei.options.keys.gui.craft=Craft Recipe
 nei.options.keys.gui.copy_oredict=Copy Item OreDictionary
 nei.options.keys.gui.itemzoom_toggle=Toggle Item Zoom
 nei.options.keys.gui.itemzoom_hold=Hold to Display Item Zoom
@@ -181,23 +199,39 @@ nei.options.inventory.bookmarks.enabled.false=Hidden
 nei.options.inventory.bookmarks.animation=REI Style Animation in Bookmarks
 nei.options.inventory.bookmarks.animation.true=Yes
 nei.options.inventory.bookmarks.animation.false=No
-nei.options.inventory.bookmarks.craftingChainDir=Crafting Chain Info Direction
-nei.options.inventory.bookmarks.craftingChainDir.0=Input First
-nei.options.inventory.bookmarks.craftingChainDir.1=Output First
-nei.options.inventory.bookmarks.recipeTooltipsMode=Show recipe tooltips in Bookmarks
+nei.options.inventory.bookmarks.recipeChainDir=Crafting Chain Info Direction
+nei.options.inventory.bookmarks.recipeChainDir.0=Input First
+nei.options.inventory.bookmarks.recipeChainDir.1=Output First
+nei.options.inventory.bookmarks.recipeTooltipsMode=Show Recipe Tooltips in Bookmarks
 nei.options.inventory.bookmarks.recipeTooltipsMode.0=None
 nei.options.inventory.bookmarks.recipeTooltipsMode.1=In Horizontal View
 nei.options.inventory.bookmarks.recipeTooltipsMode.2=In Vertical View
 nei.options.inventory.bookmarks.recipeTooltipsMode.3=Always
-nei.options.inventory.bookmarks.showRecipeMarker=Show Recipe Marker
-nei.options.inventory.bookmarks.showRecipeMarker.true=Yes
-nei.options.inventory.bookmarks.showRecipeMarker.false=No
+nei.options.inventory.bookmarks.showRecipeMarkerMode=Show Recipe Marker
+nei.options.inventory.bookmarks.showRecipeMarkerMode.0=None
+nei.options.inventory.bookmarks.showRecipeMarkerMode.1=Icon
+nei.options.inventory.bookmarks.showRecipeMarkerMode.2=Background
+nei.options.inventory.bookmarks.recipeMarkerColor=Recipe Marker Color
 nei.options.inventory.bookmarks.ignorePotionOverlap=Ignore overlap with potion effect HUD
 nei.options.inventory.bookmarks.ignorePotionOverlap.true=Yes
 nei.options.inventory.bookmarks.ignorePotionOverlap.false=No
-nei.options.inventory.bookmarks.worldSpecific=World Specific Bookmarks
+nei.options.inventory.bookmarks.worldSpecific=World Specific
 nei.options.inventory.bookmarks.worldSpecific.true=Yes
 nei.options.inventory.bookmarks.worldSpecific.false=No
+nei.options.inventory.favorites=Favorites
+nei.options.inventory.favorites.enabled=Visibility
+nei.options.inventory.favorites.enabled.true=Visible
+nei.options.inventory.favorites.enabled.false=Hidden
+nei.options.inventory.favorites.worldSpecific=World Specific
+nei.options.inventory.favorites.worldSpecific.true=Yes
+nei.options.inventory.favorites.worldSpecific.false=No
+nei.options.inventory.favorites.showRecipeTooltipInPanel=Show Recipe Tooltips in Right Panel
+nei.options.inventory.favorites.showRecipeTooltipInPanel.true=Yes
+nei.options.inventory.favorites.showRecipeTooltipInPanel.false=No
+nei.options.inventory.favorites.showRecipeTooltipInGui=Show Recipe Tooltips in Recipe Gui
+nei.options.inventory.favorites.showRecipeTooltipInGui.true=Yes
+nei.options.inventory.favorites.showRecipeTooltipInGui.false=No
+nei.options.inventory.favorites.depth=Depth
 nei.options.inventory.hotkeysHelpText=Show Hotkeys Help Text
 nei.options.inventory.hotkeysHelpText.true=Yes
 nei.options.inventory.hotkeysHelpText.false=No
@@ -310,6 +344,7 @@ nei.options.inventory.gamemodes.tip=Select the gamemodes to cycle through
 nei.options.inventory.gamemodes.creative=Creative
 nei.options.inventory.gamemodes.creative+=Creative+
 nei.options.inventory.gamemodes.adventure=Adventure
+nei.options.inventory.itempanelScale=Item Panel Scale (in percent)
 nei.options.inventory.disableMouseScrollTransfer=Disable Mouse Wheel Transfer
 nei.options.inventory.disableMouseScrollTransfer.true=True
 nei.options.inventory.disableMouseScrollTransfer.false=False
@@ -452,16 +487,18 @@ nei.recipe.profiler.usage=Usage Profiling
 nei.recipe.concurrent.usage=Concurrent Usage - Total
 nei.recipe.concurrent.crafting=Concurrent Crafting - Total
 nei.recipe.accepts=Accepts following
+nei.recipe.accepts.scroll=Change Item
 
 nei.recipe.overlay=Recipe Overlay
 nei.recipe.overlay.missing=Missing following
 nei.recipe.overlay.mismatch=Mismatch Crafting Grid
+nei.recipe.overlay.overlayRecipe=Overlay Recipe
 nei.recipe.overlay.fillCraftingGrid=Fill Crafting Grid
-nei.recipe.overlay.fillCraftingGrid.key=SHIFT + Click
-nei.recipe.overlay.bookmark=Save to Bookmark
 nei.recipe.overlay.bookmarkRecipe=Save with Recipe
-nei.recipe.overlay.bookmarkAmount=Save with Amount
-nei.recipe.overlay.bookmarkRecipeAndAmount=Save with Recipe & Amount
+
+nei.recipe.favorite=Favorite
+nei.recipe.favorite.bookmark_recipe=Save Recipe Tree
+nei.recipe.favorite.change_result_index=Change Output
 
 nei.itemsort.minecraft=Minecraft
 nei.itemsort.minecraft.tip=Sorts items from vanilla minecraft first

src/main/resources/assets/nei/lang/ru_RU.lang

@@ -13,18 +13,13 @@ nei.bookmark.pullBookmarkedItems.tip=Переместить все отмече
 
 nei.bookmark.group=Группа закладок
 nei.bookmark.group.include_group=Создать/Включить группу
-nei.bookmark.group.include_group.key=ЛКМ + Перетаскивание
 nei.bookmark.group.exclude_group=Удалить/Исключить группу
-nei.bookmark.group.exclude_group.key=ПКМ + Перетаскивание
 nei.bookmark.group.toggle_mode=Переключить режим группы
-nei.bookmark.group.toggle_mode.key=Левый клик
 nei.bookmark.group.toggle_crafting_chain=Переключить цепочку крафта
-nei.bookmark.group.toggle_crafting_chain.key=Правый клик
 nei.bookmark.group.sorting=Сортировка
-nei.bookmark.group.sorting.key=SHIFT + ЛКМ + Перетаскивание
 nei.bookmark.group.remove_recipe=Удалить группу
 nei.bookmark.group.pull_items=Переместить все предметы
-nei.bookmark.group.pull_items_ingredients=Переместить все ингредиенты
+nei.bookmark.group.pull_items_shift=Переместить недостающие предметы
 nei.bookmark.crafting_chain=Цепочка крафта
 nei.bookmark.crafting_chain.input=Ингредиенты
 nei.bookmark.crafting_chain.output=Результаты
@@ -34,8 +29,8 @@ nei.itempanel.quantity.default=Одна стопка
 nei.itempanel.loading=Загрузка списка предметов...
 nei.itempanel.deleteItem=Удалить предмет
 nei.itempanel.collapsed.button.tip=Свернуть/Развернуть все группы предметов
-nei.itempanel.collapsed.hint.expand=Alt-Клик для разворачивания (%d предметов)
-nei.itempanel.collapsed.hint.collapse=Alt-Клик для сворачивания (%d предметов)
+nei.itempanel.collapsed.hint.expand=Развернуть группу (%d предметов)
+nei.itempanel.collapsed.hint.collapse=Свернуть группу (%d предметов)
 
 nei.enchant=Зачаровать
 nei.enchant.level=Уровень
@@ -137,12 +132,8 @@ nei.options.keys.gui.remove_recipe=Удалить группу из заклад
 nei.options.keys.gui.bookmark_recipe=Добавить закладку с рецептом
 nei.options.keys.gui.bookmark_count=Добавить закладку с учётом количества
 nei.options.keys.gui.bookmark_pull_items=Переместить все отмеченные предметы
-nei.options.keys.gui.bookmark_pull_items_ingredients=Переместить все отмеченные ингредиенты
-nei.options.keys.gui.bookmark_recipe_count=Добавить закладку с рецептом, учитывающую количество
 nei.options.keys.gui.hide_bookmarks=Переключить видимость панели закладок
-nei.options.keys.gui.overlay=Отображение рецепта
-nei.options.keys.gui.overlay_hide=Скрыть отображение рецепта
-nei.options.keys.gui.overlay_use=Использовать отображение рецепта
+nei.options.keys.gui.overlay=Заполнить сетку крафта
 nei.options.keys.gui.getprevioussearch=Предыдущий поиск
 nei.options.keys.gui.getnextsearch=Следующий поиск
 nei.options.keys.gui.next_tooltip=Следующая подсказка
@@ -173,17 +164,18 @@ nei.options.inventory.bookmarks.enabled.false=Скрытая
 nei.options.inventory.bookmarks.animation=Анимация в стиле REI в закладках
 nei.options.inventory.bookmarks.animation.true=Да
 nei.options.inventory.bookmarks.animation.false=Нет
-nei.options.inventory.bookmarks.craftingChainDir=Направление информации о цепочке крафта
-nei.options.inventory.bookmarks.craftingChainDir.0=Сначала ингредиенты
-nei.options.inventory.bookmarks.craftingChainDir.1=Сначала результат
+nei.options.inventory.bookmarks.recipeChainDir=Направление информации о цепочке крафта
+nei.options.inventory.bookmarks.recipeChainDir.0=Сначала ингредиенты
+nei.options.inventory.bookmarks.recipeChainDir.1=Сначала результат
 nei.options.inventory.bookmarks.recipeTooltipsMode=Показывать подсказки рецептов в закладках
 nei.options.inventory.bookmarks.recipeTooltipsMode.0=Нет
 nei.options.inventory.bookmarks.recipeTooltipsMode.1=В горизонтальном виде
 nei.options.inventory.bookmarks.recipeTooltipsMode.2=В вертикальном виде
 nei.options.inventory.bookmarks.recipeTooltipsMode.3=Всегда
-nei.options.inventory.bookmarks.showRecipeMarker=Показывать маркер рецепта
-nei.options.inventory.bookmarks.showRecipeMarker.true=Да
-nei.options.inventory.bookmarks.showRecipeMarker.false=Нет
+nei.options.inventory.bookmarks.showRecipeMarkerMode=Показывать маркер рецепта
+nei.options.inventory.bookmarks.showRecipeMarkerMode.0=Нет
+nei.options.inventory.bookmarks.showRecipeMarkerMode.1=Иконка
+nei.options.inventory.bookmarks.showRecipeMarkerMode.2=Фон
 nei.options.inventory.bookmarks.ignorePotionOverlap=Игнорировать перекрытие с HUD эффектов зелий
 nei.options.inventory.bookmarks.ignorePotionOverlap.true=Да
 nei.options.inventory.bookmarks.ignorePotionOverlap.false=Нет
@@ -416,11 +408,7 @@ nei.recipe.overlay=отображение рецепта
 nei.recipe.overlay.missing=Отсутствует следующее
 nei.recipe.overlay.mismatch=Несоответствие сетки крафта
 nei.recipe.overlay.fillCraftingGrid=Заполнить сетку крафта
-nei.recipe.overlay.fillCraftingGrid.key=SHIFT + Клик
-nei.recipe.overlay.bookmark=Сохранить в закладки
 nei.recipe.overlay.bookmarkRecipe=Сохранить с рецептом
-nei.recipe.overlay.bookmarkAmount=Сохранить с учётом количества
-nei.recipe.overlay.bookmarkRecipeAndAmount=Сохранить с рецептом и количеством
 
 nei.itemsort.minecraft=Minecraft
 nei.itemsort.minecraft.tip=Сортирует предметы из ванильного Minecraft первыми

src/main/resources/assets/nei/lang/zh_CN.lang

@@ -105,11 +105,8 @@ nei.options.keys.gui.search=跳转到搜索框
 nei.options.keys.gui.bookmark=添加书签
 nei.options.keys.gui.bookmark_recipe=添加带有合成表的书签
 nei.options.keys.gui.bookmark_count=添加带有数量的书签
-nei.options.keys.gui.bookmark_recipe_count=添加带有合成表和数量的书签
 nei.options.keys.gui.hide_bookmarks=显示/隐藏书签页
-nei.options.keys.gui.overlay=提取合成表至合成栏/工作台
-nei.options.keys.gui.overlay_hide=隐藏覆盖合成表
-nei.options.keys.gui.overlay_use=使用覆盖合成表
+nei.options.keys.gui.overlay=使用覆盖合成表
 nei.options.keys.gui.getprevioussearch=上一个搜索
 nei.options.keys.gui.getnextsearch=下一个搜索
 nei.options.keys.gui.copy_name=复制物品名称
@@ -144,8 +141,7 @@ nei.options.inventory.bookmarks.animation=REI风格书签动画
 nei.options.inventory.bookmarks.animation.true=是
 nei.options.inventory.bookmarks.animation.false=否
 nei.options.inventory.bookmarks.showRecipeMarker=在书签栏显示合成产物标记
-nei.options.inventory.bookmarks.showRecipeMarker.true=是
-nei.options.inventory.bookmarks.showRecipeMarker.false=否
+nei.options.inventory.bookmarks.showRecipeMarker.0=否
 nei.options.inventory.showItemQuantityWidget=显示物品数量栏(右下角)
 nei.options.inventory.showItemQuantityWidget.true=是
 nei.options.inventory.showItemQuantityWidget.false=否